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57320627 = 713629897
BaseRepresentation
bin1101101010101…
…0010010110011
310222212012010012
43122222102303
5104133230002
65404325135
71264134350
oct332522263
9128765105
1057320627
112a3a0921
12172437ab
13bb4c540
147881627
155073d52
hex36aa4b3

57320627 has 8 divisors (see below), whose sum is σ = 70548576. Its totient is φ = 45352512.

The previous prime is 57320621. The next prime is 57320647. The reversal of 57320627 is 72602375.

It is a happy number.

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 57320627 - 24 = 57320611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57320593 and 57320602.

It is not an unprimeable number, because it can be changed into a prime (57320621) 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, 314858 + ... + 315039.

It is an arithmetic number, because the mean of its divisors is an integer number (8818572).

Almost surely, 257320627 is an apocalyptic number.

57320627 is a deficient number, since it is larger than the sum of its proper divisors (13227949).

57320627 is a wasteful number, since it uses less digits than its factorization.

57320627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629917.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 57320627 is about 7571.0387002049. The cubic root of 57320627 is about 385.5703627978.

The spelling of 57320627 in words is "fifty-seven million, three hundred twenty thousand, six hundred twenty-seven".

Divisors: 1 7 13 91 629897 4409279 8188661 57320627