Search a number
-
+
57192996 = 22372234229
BaseRepresentation
bin1101101000101…
…1001000100100
310222121201001010
43122023020210
5104120133441
65401502220
71263063300
oct332131044
9128551033
1057192996
112a313a43
12171a1970
13bb06413
14784ad00
15504b116
hex368b224

57192996 has 72 divisors (see below), whose sum is σ = 162025920. Its totient is φ = 15626688.

The previous prime is 57192977. The next prime is 57193057. The reversal of 57192996 is 69929175.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11410 + ... + 15638.

It is an arithmetic number, because the mean of its divisors is an integer number (2250360).

Almost surely, 257192996 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 57192996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81012960).

57192996 is an abundant number, since it is smaller than the sum of its proper divisors (104832924).

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

57192996 is a wasteful number, since it uses less digits than its factorization.

57192996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4273 (or 4264 counting only the distinct ones).

The product of its digits is 306180, while the sum is 48.

The square root of 57192996 is about 7562.6051067076. The cubic root of 57192996 is about 385.2839778130.

The spelling of 57192996 in words is "fifty-seven million, one hundred ninety-two thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 7 12 14 21 23 28 42 46 49 69 84 92 98 138 147 161 196 276 294 322 483 588 644 966 1127 1932 2254 3381 4229 4508 6762 8458 12687 13524 16916 25374 29603 50748 59206 88809 97267 118412 177618 194534 207221 291801 355236 389068 414442 583602 621663 680869 828884 1167204 1243326 1361738 2042607 2486652 2723476 4085214 4766083 8170428 9532166 14298249 19064332 28596498 57192996