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253941899 is a prime number
BaseRepresentation
bin11110010001011…
…01100010001011
3122200211120210112
433020231202023
51010002120044
641110504535
76202320251
oct1710554213
9580746715
10253941899
11120386342
127106514b
13407c29a3
1425a245d1
151746209e
hexf22d88b

253941899 has 2 divisors, whose sum is σ = 253941900. Its totient is φ = 253941898.

The previous prime is 253941871. The next prime is 253941913. The reversal of 253941899 is 998149352.

It is a happy number.

253941899 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-253941899 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253941839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126970949 + 126970950.

It is an arithmetic number, because the mean of its divisors is an integer number (126970950).

Almost surely, 2253941899 is an apocalyptic number.

253941899 is a deficient number, since it is larger than the sum of its proper divisors (1).

253941899 is an equidigital number, since it uses as much as digits as its factorization.

253941899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 50.

The square root of 253941899 is about 15935.5545557724. The cubic root of 253941899 is about 633.2542613809.

The spelling of 253941899 in words is "two hundred fifty-three million, nine hundred forty-one thousand, eight hundred ninety-nine".