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57193629 = 3191003397
BaseRepresentation
bin1101101000101…
…1010010011101
310222121201220120
43122023102131
5104120144004
65401505153
71263065163
oct332132235
9128551816
1057193629
112a314469
12171a21b9
13bb067ac
14784b233
15504b3d9
hex368b49d

57193629 has 8 divisors (see below), whose sum is σ = 80271840. Its totient is φ = 36122256.

The previous prime is 57193607. The next prime is 57193649. The reversal of 57193629 is 92639175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57193629 - 215 = 57160861 is a prime.

It is a super-2 number, since 2×571936292 = 6542222396379282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57193649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501642 + ... + 501755.

It is an arithmetic number, because the mean of its divisors is an integer number (10033980).

Almost surely, 257193629 is an apocalyptic number.

It is an amenable number.

57193629 is a deficient number, since it is larger than the sum of its proper divisors (23078211).

57193629 is a wasteful number, since it uses less digits than its factorization.

57193629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003419.

The product of its digits is 102060, while the sum is 42.

The square root of 57193629 is about 7562.6469572498. The cubic root of 57193629 is about 385.2853992216.

The spelling of 57193629 in words is "fifty-seven million, one hundred ninety-three thousand, six hundred twenty-nine".

Divisors: 1 3 19 57 1003397 3010191 19064543 57193629