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57372701 = 292418209
BaseRepresentation
bin1101101011011…
…1000000011101
310222221211112212
43122313000131
5104141411301
65405410205
71264442231
oct332670035
9128854485
1057372701
112a426a61
1217269965
13bb6a159
1478965c1
1550844bb
hex36b701d

57372701 has 8 divisors (see below), whose sum is σ = 59604600. Its totient is φ = 55157760.

The previous prime is 57372697. The next prime is 57372709. The reversal of 57372701 is 10727375.

It can be written as a sum of positive squares in 4 ways, for example, as 4301476 + 53071225 = 2074^2 + 7285^2 .

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 57372701 - 22 = 57372697 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57372709) 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, 2885 + ... + 11093.

It is an arithmetic number, because the mean of its divisors is an integer number (7450575).

Almost surely, 257372701 is an apocalyptic number.

It is an amenable number.

57372701 is a deficient number, since it is larger than the sum of its proper divisors (2231899).

57372701 is a wasteful number, since it uses less digits than its factorization.

57372701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8479.

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 57372701 is about 7574.4769456379. The cubic root of 57372701 is about 385.6870870037.

The spelling of 57372701 in words is "fifty-seven million, three hundred seventy-two thousand, seven hundred one".

Divisors: 1 29 241 6989 8209 238061 1978369 57372701