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104957389 is a prime number
BaseRepresentation
bin1100100000110…
…00010111001101
321022111101110201
412100120113031
5203332114024
614225333501
72413060135
oct620302715
9238441421
10104957389
1154278049
122b197291
131898b084
14dd21ac5
159333744
hex64185cd

104957389 has 2 divisors, whose sum is σ = 104957390. Its totient is φ = 104957388.

The previous prime is 104957353. The next prime is 104957399. The reversal of 104957389 is 983759401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94284100 + 10673289 = 9710^2 + 3267^2 .

It is an emirp because it is prime and its reverse (983759401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104957389 - 211 = 104955341 is a prime.

It is a super-2 number, since 2×1049573892 = 22032107011394642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104957399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52478694 + 52478695.

It is an arithmetic number, because the mean of its divisors is an integer number (52478695).

Almost surely, 2104957389 is an apocalyptic number.

It is an amenable number.

104957389 is a deficient number, since it is larger than the sum of its proper divisors (1).

104957389 is an equidigital number, since it uses as much as digits as its factorization.

104957389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 104957389 is about 10244.8713510712. The cubic root of 104957389 is about 471.7055717276.

The spelling of 104957389 in words is "one hundred four million, nine hundred fifty-seven thousand, three hundred eighty-nine".