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52426597 = 82163857
BaseRepresentation
bin1100011111111…
…1011101100101
310122122112202211
43013333131211
5101410122342
65111403421
71204422136
oct307773545
9118575684
1052426597
1127658973
1215683571
13ab27a72
146d69c8d
154908c17
hex31ff765

52426597 has 4 divisors (see below), whose sum is σ = 52491276. Its totient is φ = 52361920.

The previous prime is 52426579. The next prime is 52426601. The reversal of 52426597 is 79562425.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24611521 + 27815076 = 4961^2 + 5274^2 .

It is a cyclic number.

It is not a de Polignac number, because 52426597 - 223 = 44037989 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52426547) 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, 31108 + ... + 32749.

It is an arithmetic number, because the mean of its divisors is an integer number (13122819).

Almost surely, 252426597 is an apocalyptic number.

It is an amenable number.

52426597 is a deficient number, since it is larger than the sum of its proper divisors (64679).

52426597 is an equidigital number, since it uses as much as digits as its factorization.

52426597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64678.

The product of its digits is 151200, while the sum is 40.

The square root of 52426597 is about 7240.6213131195. The cubic root of 52426597 is about 374.2690282213.

The spelling of 52426597 in words is "fifty-two million, four hundred twenty-six thousand, five hundred ninety-seven".

Divisors: 1 821 63857 52426597