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57983472 = 2433791699
BaseRepresentation
bin1101110100110…
…0000111110000
311001002212101000
43131030013300
5104320432342
65430442000
71302565011
oct335140760
9131085330
1057983472
112a803928
1217503300
13c022161
1479b5008
15515544c
hex374c1f0

57983472 has 80 divisors (see below), whose sum is σ = 168640000. Its totient is φ = 19071936.

The previous prime is 57983467. The next prime is 57983491. The reversal of 57983472 is 27438975.

57983472 is a `hidden beast` number, since 579 + 8 + 3 + 4 + 72 = 666.

57983472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 33279 + ... + 34977.

It is an arithmetic number, because the mean of its divisors is an integer number (2108000).

Almost surely, 257983472 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 57983472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84320000).

57983472 is an abundant number, since it is smaller than the sum of its proper divisors (110656528).

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

57983472 is a wasteful number, since it uses less digits than its factorization.

57983472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795 (or 1783 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 57983472 is about 7614.6879121866. The cubic root of 57983472 is about 387.0508916908.

The spelling of 57983472 in words is "fifty-seven million, nine hundred eighty-three thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 79 108 144 158 216 237 316 432 474 632 711 948 1264 1422 1699 1896 2133 2844 3398 3792 4266 5097 5688 6796 8532 10194 11376 13592 15291 17064 20388 27184 30582 34128 40776 45873 61164 81552 91746 122328 134221 183492 244656 268442 366984 402663 536884 733968 805326 1073768 1207989 1610652 2147536 2415978 3221304 3623967 4831956 6442608 7247934 9663912 14495868 19327824 28991736 57983472