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54163872 = 2532767401
BaseRepresentation
bin1100111010011…
…1100110100000
310202220210212100
43032213212200
5102331220442
65212530400
71225246110
oct316474640
9122823770
1054163872
1128635134
1216180a00
13b2b5739
14729d040
154b4d84c
hex33a79a0

54163872 has 144 divisors (see below), whose sum is σ = 179105472. Its totient is φ = 15206400.

The previous prime is 54163871. The next prime is 54163877. The reversal of 54163872 is 27836145.

54163872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

Its product of digits (40320) is a multiple of the sum of its prime divisors (480).

It is not an unprimeable number, because it can be changed into a prime (54163871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134872 + ... + 135272.

It is an arithmetic number, because the mean of its divisors is an integer number (1243788).

Almost surely, 254163872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54163872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89552736).

54163872 is an abundant number, since it is smaller than the sum of its proper divisors (124941600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54163872 is a wasteful number, since it uses less digits than its factorization.

54163872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 480 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 54163872 is about 7359.6108592778. The cubic root of 54163872 is about 378.3582728982.

The spelling of 54163872 in words is "fifty-four million, one hundred sixty-three thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 67 72 84 96 112 126 134 144 168 201 224 252 268 288 336 401 402 469 504 536 603 672 802 804 938 1008 1072 1203 1206 1407 1604 1608 1876 2016 2144 2406 2412 2807 2814 3208 3216 3609 3752 4221 4812 4824 5614 5628 6416 6432 7218 7504 8421 8442 9624 9648 11228 11256 12832 14436 15008 16842 16884 19248 19296 22456 22512 25263 26867 28872 33684 33768 38496 44912 45024 50526 53734 57744 67368 67536 80601 89824 101052 107468 115488 134736 135072 161202 188069 202104 214936 241803 269472 322404 376138 404208 429872 483606 564207 644808 752276 808416 859744 967212 1128414 1289616 1504552 1692621 1934424 2256828 2579232 3009104 3385242 3868848 4513656 6018208 6770484 7737696 9027312 13540968 18054624 27081936 54163872