Search a number
-
+
104155291 is a prime number
BaseRepresentation
bin1100011010101…
…00100010011011
321020222122012101
412031110202123
5203130432131
614200224231
72403206512
oct615244233
9236878171
10104155291
115387a459
122aa6b077
1318769c66
14db93679
159225c61
hex635489b

104155291 has 2 divisors, whose sum is σ = 104155292. Its totient is φ = 104155290.

The previous prime is 104155199. The next prime is 104155307. The reversal of 104155291 is 192551401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-104155291 is a prime.

It is not a weakly prime, because it can be changed into another prime (104155391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52077645 + 52077646.

It is an arithmetic number, because the mean of its divisors is an integer number (52077646).

Almost surely, 2104155291 is an apocalyptic number.

104155291 is a deficient number, since it is larger than the sum of its proper divisors (1).

104155291 is an equidigital number, since it uses as much as digits as its factorization.

104155291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 104155291 is about 10205.6499548044. The cubic root of 104155291 is about 470.5008859575.

The spelling of 104155291 in words is "one hundred four million, one hundred fifty-five thousand, two hundred ninety-one".