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54234040 = 23571091777
BaseRepresentation
bin1100111011100…
…0101110111000
310210001101010011
43032320232320
5102340442130
65214231304
71225660510
oct316705670
9123041104
1054234040
1128682923
12161b5534
13b30b663
1472ba840
154b6452a
hex33b8bb8

54234040 has 64 divisors (see below), whose sum is σ = 140817600. Its totient is φ = 18413568.

The previous prime is 54234013. The next prime is 54234041. The reversal of 54234040 is 4043245.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54234041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29632 + ... + 31408.

It is an arithmetic number, because the mean of its divisors is an integer number (2200275).

Almost surely, 254234040 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 54234040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70408800).

54234040 is an abundant number, since it is smaller than the sum of its proper divisors (86583560).

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

54234040 is a wasteful number, since it uses less digits than its factorization.

54234040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904 (or 1900 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 54234040 is about 7364.3764162351. The cubic root of 54234040 is about 378.5215870914.

Adding to 54234040 its reverse (4043245), we get a palindrome (58277285).

The spelling of 54234040 in words is "fifty-four million, two hundred thirty-four thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 109 140 218 280 436 545 763 872 1090 1526 1777 2180 3052 3554 3815 4360 6104 7108 7630 8885 12439 14216 15260 17770 24878 30520 35540 49756 62195 71080 99512 124390 193693 248780 387386 497560 774772 968465 1355851 1549544 1936930 2711702 3873860 5423404 6779255 7747720 10846808 13558510 27117020 54234040