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478674107 is a prime number
BaseRepresentation
bin11100100001111…
…111110010111011
31020100201011102122
4130201333302323
51440020032412
6115255351455
714601443222
oct3441776273
91210634378
10478674107
11226220a3a
1211438258b
1378229322
1447803cb9
152c054572
hex1c87fcbb

478674107 has 2 divisors, whose sum is σ = 478674108. Its totient is φ = 478674106.

The previous prime is 478674073. The next prime is 478674167. The reversal of 478674107 is 701476874.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 478674107 - 212 = 478670011 is a prime.

It is a Chen prime.

It is equal to p25289873 and since 478674107 and 25289873 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (478674167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239337053 + 239337054.

It is an arithmetic number, because the mean of its divisors is an integer number (239337054).

Almost surely, 2478674107 is an apocalyptic number.

478674107 is a deficient number, since it is larger than the sum of its proper divisors (1).

478674107 is an equidigital number, since it uses as much as digits as its factorization.

478674107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 263424, while the sum is 44.

The square root of 478674107 is about 21878.6221458299. The cubic root of 478674107 is about 782.2519334658.

The spelling of 478674107 in words is "four hundred seventy-eight million, six hundred seventy-four thousand, one hundred seven".