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252901393 is a prime number
BaseRepresentation
bin11110001001011…
…11100000010001
3122121212201111021
433010233200101
51004220321033
641032315441
76160424563
oct1704574021
9577781437
10252901393
1111a835618
1270842b81
134051a1c4
1425833333
1517308b2d
hexf12f811

252901393 has 2 divisors, whose sum is σ = 252901394. Its totient is φ = 252901392.

The previous prime is 252901351. The next prime is 252901423. The reversal of 252901393 is 393109252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219988224 + 32913169 = 14832^2 + 5737^2 .

It is a cyclic number.

It is not a de Polignac number, because 252901393 - 217 = 252770321 is a prime.

It is a super-2 number, since 2×2529013932 = 127918229162680898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252901093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126450696 + 126450697.

It is an arithmetic number, because the mean of its divisors is an integer number (126450697).

Almost surely, 2252901393 is an apocalyptic number.

It is an amenable number.

252901393 is a deficient number, since it is larger than the sum of its proper divisors (1).

252901393 is an equidigital number, since it uses as much as digits as its factorization.

252901393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 252901393 is about 15902.8737340142. The cubic root of 252901393 is about 632.3881750158.

The spelling of 252901393 in words is "two hundred fifty-two million, nine hundred one thousand, three hundred ninety-three".