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252390337 is a prime number
BaseRepresentation
bin11110000101100…
…10101111000001
3122120220202110021
433002302233001
51004102442322
641013333441
76153165613
oct1702625701
9576822407
10252390337
1111a516661
1270637281
134039b6c4
142573cdb3
15172574c7
hexf0b2bc1

252390337 has 2 divisors, whose sum is σ = 252390338. Its totient is φ = 252390336.

The previous prime is 252390323. The next prime is 252390343. The reversal of 252390337 is 733093252.

It is a happy number.

252390337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229340736 + 23049601 = 15144^2 + 4801^2 .

It is a cyclic number.

It is not a de Polignac number, because 252390337 - 211 = 252388289 is a prime.

It is not a weakly prime, because it can be changed into another prime (252396337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126195168 + 126195169.

It is an arithmetic number, because the mean of its divisors is an integer number (126195169).

Almost surely, 2252390337 is an apocalyptic number.

It is an amenable number.

252390337 is a deficient number, since it is larger than the sum of its proper divisors (1).

252390337 is an equidigital number, since it uses as much as digits as its factorization.

252390337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 252390337 is about 15886.7975690509. The cubic root of 252390337 is about 631.9619170358.

The spelling of 252390337 in words is "two hundred fifty-two million, three hundred ninety thousand, three hundred thirty-seven".