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634351413 = 31712438263
BaseRepresentation
bin100101110011110…
…110111100110101
31122012122101112210
4211303312330311
52244343221123
6142540204033
721501620013
oct4563667465
91565571483
10634351413
112a6090673
12158539619
13a1565387
14603698b3
153aa55e93
hex25cf6f35

634351413 has 8 divisors (see below), whose sum is σ = 895555008. Its totient is φ = 398024384.

The previous prime is 634351391. The next prime is 634351429. The reversal of 634351413 is 314153436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 634351413 - 26 = 634351349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634351463) 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 in 7 ways as a sum of consecutive naturals, for example, 6219081 + ... + 6219182.

It is an arithmetic number, because the mean of its divisors is an integer number (111944376).

Almost surely, 2634351413 is an apocalyptic number.

It is an amenable number.

634351413 is a deficient number, since it is larger than the sum of its proper divisors (261203595).

634351413 is a wasteful number, since it uses less digits than its factorization.

634351413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12438283.

The product of its digits is 12960, while the sum is 30.

The square root of 634351413 is about 25186.3338538978. Note that the first 3 decimals coincide. The cubic root of 634351413 is about 859.2310654421.

The spelling of 634351413 in words is "six hundred thirty-four million, three hundred fifty-one thousand, four hundred thirteen".

Divisors: 1 3 17 51 12438263 37314789 211450471 634351413