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54973680 = 2435232433
BaseRepresentation
bin1101000110110…
…1010011110000
310211102221201020
43101231103300
5103033124210
65242135440
71235161056
oct321552360
9124387636
1054973680
11290385a3
12164b1580
13b50a208
1474301d6
154c5d770
hex346d4f0

54973680 has 120 divisors (see below), whose sum is σ = 178561488. Its totient is φ = 13989888.

The previous prime is 54973673. The next prime is 54973693. The reversal of 54973680 is 8637945.

54973680 = 15352 + 15362 + ... + 15572.

It is a happy number.

54973680 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 (120).

It is a congruent number.

It is an unprimeable number.

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, 126744 + ... + 127176.

Almost surely, 254973680 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 54973680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89280744).

54973680 is an abundant number, since it is smaller than the sum of its proper divisors (123587808).

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

54973680 is a wasteful number, since it uses less digits than its factorization.

54973680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 54973680 is about 7414.4237807128. The cubic root of 54973680 is about 380.2345735431.

The spelling of 54973680 in words is "fifty-four million, nine hundred seventy-three thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 40 46 48 60 69 80 92 115 120 138 184 230 240 276 345 368 433 460 529 552 690 866 920 1058 1104 1299 1380 1587 1732 1840 2116 2165 2598 2645 2760 3174 3464 4232 4330 5196 5290 5520 6348 6495 6928 7935 8464 8660 9959 10392 10580 12696 12990 15870 17320 19918 20784 21160 25392 25980 29877 31740 34640 39836 42320 49795 51960 59754 63480 79672 99590 103920 119508 126960 149385 159344 199180 229057 239016 298770 398360 458114 478032 597540 687171 796720 916228 1145285 1195080 1374342 1832456 2290570 2390160 2748684 3435855 3664912 4581140 5497368 6871710 9162280 10994736 13743420 18324560 27486840 54973680