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57068501 = 78152643
BaseRepresentation
bin1101100110110…
…0101111010101
310222101101021012
43121230233111
5104102143001
65355102005
71262034320
oct331545725
9128341235
1057068501
112a239456
1217141905
13ba91859
1478177b7
1550242bb
hex366cbd5

57068501 has 4 divisors (see below), whose sum is σ = 65221152. Its totient is φ = 48915852.

The previous prime is 57068483. The next prime is 57068509. The reversal of 57068501 is 10586075.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57068501 - 210 = 57067477 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 (57068509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4076315 + ... + 4076328.

It is an arithmetic number, because the mean of its divisors is an integer number (16305288).

Almost surely, 257068501 is an apocalyptic number.

It is an amenable number.

57068501 is a deficient number, since it is larger than the sum of its proper divisors (8152651).

57068501 is an equidigital number, since it uses as much as digits as its factorization.

57068501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8152650.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 57068501 is about 7554.3696626522. The cubic root of 57068501 is about 385.0042187653.

The spelling of 57068501 in words is "fifty-seven million, sixty-eight thousand, five hundred one".

Divisors: 1 7 8152643 57068501