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252896857 is a prime number
BaseRepresentation
bin11110001001011…
…10011001011001
3122121212111021021
433010232121121
51004220144412
641032242441
76160405423
oct1704563131
9577774237
10252896857
1111a832174
1270840421
1340518115
1425831813
1517307607
hexf12e659

252896857 has 2 divisors, whose sum is σ = 252896858. Its totient is φ = 252896856.

The previous prime is 252896851. The next prime is 252896863. The reversal of 252896857 is 758698252.

It is a balanced prime because it is at equal distance from previous prime (252896851) and next prime (252896863).

It can be written as a sum of positive squares in only one way, i.e., 236421376 + 16475481 = 15376^2 + 4059^2 .

It is a cyclic number.

It is not a de Polignac number, because 252896857 - 219 = 252372569 is a prime.

It is not a weakly prime, because it can be changed into another prime (252896851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126448428 + 126448429.

It is an arithmetic number, because the mean of its divisors is an integer number (126448429).

Almost surely, 2252896857 is an apocalyptic number.

It is an amenable number.

252896857 is a deficient number, since it is larger than the sum of its proper divisors (1).

252896857 is an equidigital number, since it uses as much as digits as its factorization.

252896857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 52.

The square root of 252896857 is about 15902.7311176414. The cubic root of 252896857 is about 632.3843941879.

The spelling of 252896857 in words is "two hundred fifty-two million, eight hundred ninety-six thousand, eight hundred fifty-seven".