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52857929 is a prime number
BaseRepresentation
bin1100100110100…
…0110001001001
310200110110110002
43021220301021
5102012423204
65124532345
71211166515
oct311506111
9120413402
1052857929
1127922a43
12158510b5
13ac491a7
14703d145
15499191e
hex3268c49

52857929 has 2 divisors, whose sum is σ = 52857930. Its totient is φ = 52857928.

The previous prime is 52857911. The next prime is 52857977. The reversal of 52857929 is 92975825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46607929 + 6250000 = 6827^2 + 2500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52857929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52857229) by changing a digit.

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 as a sum of consecutive naturals, namely, 26428964 + 26428965.

It is an arithmetic number, because the mean of its divisors is an integer number (26428965).

Almost surely, 252857929 is an apocalyptic number.

It is an amenable number.

52857929 is a deficient number, since it is larger than the sum of its proper divisors (1).

52857929 is an equidigital number, since it uses as much as digits as its factorization.

52857929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 47.

The square root of 52857929 is about 7270.3458652254. The cubic root of 52857929 is about 375.2926403124.

The spelling of 52857929 in words is "fifty-two million, eight hundred fifty-seven thousand, nine hundred twenty-nine".