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252388693 is a prime number
BaseRepresentation
bin11110000101100…
…10010101010101
3122120220200012101
433002302111111
51004102414233
641013322101
76153161044
oct1702622525
9576820171
10252388693
1111a5153a7
1270636331
134039aa2b
142573c55b
1517256c7d
hexf0b2555

252388693 has 2 divisors, whose sum is σ = 252388694. Its totient is φ = 252388692.

The previous prime is 252388679. The next prime is 252388727. The reversal of 252388693 is 396883252.

252388693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165842884 + 86545809 = 12878^2 + 9303^2 .

It is a cyclic number.

It is not a de Polignac number, because 252388693 - 29 = 252388181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252388673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126194346 + 126194347.

It is an arithmetic number, because the mean of its divisors is an integer number (126194347).

Almost surely, 2252388693 is an apocalyptic number.

It is an amenable number.

252388693 is a deficient number, since it is larger than the sum of its proper divisors (1).

252388693 is an equidigital number, since it uses as much as digits as its factorization.

252388693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 46.

The square root of 252388693 is about 15886.7458278906. The cubic root of 252388693 is about 631.9605448918.

The spelling of 252388693 in words is "two hundred fifty-two million, three hundred eighty-eight thousand, six hundred ninety-three".