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652057 = 793151
BaseRepresentation
bin10011111001100011001
31020010110021
42133030121
5131331212
621550441
75354020
oct2371431
91203407
10652057
1140599a
12275421
1319aa43
1412d8b7
15cd307
hex9f319

652057 has 4 divisors (see below), whose sum is σ = 745216. Its totient is φ = 558900.

The previous prime is 652039. The next prime is 652063. The reversal of 652057 is 750256.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2k-652057 is a prime.

It is the 808-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652087) by changing a digit.

It is a nontrivial repunit in base 807.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46569 + ... + 46582.

It is an arithmetic number, because the mean of its divisors is an integer number (186304).

2652057 is an apocalyptic number.

It is an amenable number.

652057 is a deficient number, since it is larger than the sum of its proper divisors (93159).

652057 is an equidigital number, since it uses as much as digits as its factorization.

652057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93158.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 652057 is about 807.5004643962. The cubic root of 652057 is about 86.7151914320.

The spelling of 652057 in words is "six hundred fifty-two thousand, fifty-seven".

Divisors: 1 7 93151 652057