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253990199 is a prime number
BaseRepresentation
bin11110010001110…
…01010100110111
3122200221001001102
433020321110313
51010010141244
641111520315
76202611131
oct1710712467
9580831042
10253990199
11120409661
127108909b
134080b978
1425a38051
151747154e
hexf239537

253990199 has 2 divisors, whose sum is σ = 253990200. Its totient is φ = 253990198.

The previous prime is 253990193. The next prime is 253990201. The reversal of 253990199 is 991099352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253990199 - 216 = 253924663 is a prime.

It is a super-2 number, since 2×2539901992 = 129022042376119202, which contains 22 as substring.

Together with 253990201, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253990193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126995099 + 126995100.

It is an arithmetic number, because the mean of its divisors is an integer number (126995100).

Almost surely, 2253990199 is an apocalyptic number.

253990199 is a deficient number, since it is larger than the sum of its proper divisors (1).

253990199 is an equidigital number, since it uses as much as digits as its factorization.

253990199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196830, while the sum is 47.

The square root of 253990199 is about 15937.0699628257. The cubic root of 253990199 is about 633.2944073644.

The spelling of 253990199 in words is "two hundred fifty-three million, nine hundred ninety thousand, one hundred ninety-nine".