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253190369 is a prime number
BaseRepresentation
bin11110001011101…
…10000011100001
3122122102101220002
433011312003201
51004304042434
641042425345
76163040225
oct1705660341
9578371802
10253190369
1111aa12743
1270962255
13405bb8b3
14258aa785
151736457e
hexf1760e1

253190369 has 2 divisors, whose sum is σ = 253190370. Its totient is φ = 253190368.

The previous prime is 253190359. The next prime is 253190389. The reversal of 253190369 is 963091352.

253190369 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., 230675344 + 22515025 = 15188^2 + 4745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-253190369 is a prime.

It is a super-2 number, since 2×2531903692 = 128210725908712322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (253190359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126595184 + 126595185.

It is an arithmetic number, because the mean of its divisors is an integer number (126595185).

Almost surely, 2253190369 is an apocalyptic number.

It is an amenable number.

253190369 is a deficient number, since it is larger than the sum of its proper divisors (1).

253190369 is an equidigital number, since it uses as much as digits as its factorization.

253190369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 253190369 is about 15911.9567935562. The cubic root of 253190369 is about 632.6289479684.

The spelling of 253190369 in words is "two hundred fifty-three million, one hundred ninety thousand, three hundred sixty-nine".