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52700231 is a prime number
BaseRepresentation
bin1100100100001…
…0010001000111
310200011110010102
43021002101013
5101442401411
65121314315
71206641663
oct311022107
9120143112
1052700231
1127825511
121579599b
13abc248c
146ddb8a3
15495ed3b
hex3242447

52700231 has 2 divisors, whose sum is σ = 52700232. Its totient is φ = 52700230.

The previous prime is 52700227. The next prime is 52700239. The reversal of 52700231 is 13200725.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52700231 - 22 = 52700227 is a prime.

It is a super-2 number, since 2×527002312 = 5554628694906722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52700239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26350115 + 26350116.

It is an arithmetic number, because the mean of its divisors is an integer number (26350116).

Almost surely, 252700231 is an apocalyptic number.

52700231 is a deficient number, since it is larger than the sum of its proper divisors (1).

52700231 is an equidigital number, since it uses as much as digits as its factorization.

52700231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 52700231 is about 7259.4924753732. The cubic root of 52700231 is about 374.9190486003.

Adding to 52700231 its reverse (13200725), we get a palindrome (65900956).

The spelling of 52700231 in words is "fifty-two million, seven hundred thousand, two hundred thirty-one".