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57234647 = 415326339
BaseRepresentation
bin1101101001010…
…1010011010111
310222200211011202
43122111103113
5104123002042
65402423115
71263325601
oct332252327
9128624152
1057234647
112a342268
1217201a9b
13bb1c372
14785c171
155058632
hex36954d7

57234647 has 8 divisors (see below), whose sum is σ = 59739120. Its totient is φ = 54783040.

The previous prime is 57234643. The next prime is 57234689. The reversal of 57234647 is 74643275.

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

It is a cyclic number.

It is not a de Polignac number, because 57234647 - 22 = 57234643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57234647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57234643) 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, 10997 + ... + 15342.

It is an arithmetic number, because the mean of its divisors is an integer number (7467390).

Almost surely, 257234647 is an apocalyptic number.

57234647 is a deficient number, since it is larger than the sum of its proper divisors (2504473).

57234647 is a wasteful number, since it uses less digits than its factorization.

57234647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26433.

The product of its digits is 141120, while the sum is 38.

The square root of 57234647 is about 7565.3583523849. The cubic root of 57234647 is about 385.3774832543.

The spelling of 57234647 in words is "fifty-seven million, two hundred thirty-four thousand, six hundred forty-seven".

Divisors: 1 41 53 2173 26339 1079899 1395967 57234647