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253676417 is a prime number
BaseRepresentation
bin11110001111011…
…00101110000001
3122200100002121212
433013230232001
51004420121132
641101055505
76200133251
oct1707545601
9580302555
10253676417
11120214935
1270b57595
134072bbb7
1425995961
151740d5b2
hexf1ecb81

253676417 has 2 divisors, whose sum is σ = 253676418. Its totient is φ = 253676416.

The previous prime is 253676399. The next prime is 253676557. The reversal of 253676417 is 714676352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215619856 + 38056561 = 14684^2 + 6169^2 .

It is a cyclic number.

It is not a de Polignac number, because 253676417 - 28 = 253676161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253676117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126838208 + 126838209.

It is an arithmetic number, because the mean of its divisors is an integer number (126838209).

Almost surely, 2253676417 is an apocalyptic number.

It is an amenable number.

253676417 is a deficient number, since it is larger than the sum of its proper divisors (1).

253676417 is an equidigital number, since it uses as much as digits as its factorization.

253676417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 41.

The square root of 253676417 is about 15927.2225136714. Note that the first 3 decimals coincide. The cubic root of 253676417 is about 633.0335071738.

The spelling of 253676417 in words is "two hundred fifty-three million, six hundred seventy-six thousand, four hundred seventeen".