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34913631 = 317684581
BaseRepresentation
bin1000010100101…
…1110101011111
32102200210111110
42011023311133
532414214011
63244153103
7602522004
oct205136537
972623443
1034913631
1118787145
12b838793
13730566c
1448cb8ab
1530e9ba6
hex214bd5f

34913631 has 8 divisors (see below), whose sum is σ = 49289904. Its totient is φ = 21906560.

The previous prime is 34913629. The next prime is 34913639. The reversal of 34913631 is 13631943.

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 34913631 - 21 = 34913629 is a prime.

It is a super-2 number, since 2×349136312 = 2437923259208322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34913639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342240 + ... + 342341.

It is an arithmetic number, because the mean of its divisors is an integer number (6161238).

Almost surely, 234913631 is an apocalyptic number.

34913631 is a deficient number, since it is larger than the sum of its proper divisors (14376273).

34913631 is a wasteful number, since it uses less digits than its factorization.

34913631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684601.

The product of its digits is 5832, while the sum is 30.

The square root of 34913631 is about 5908.7757615262. The cubic root of 34913631 is about 326.8373439385.

The spelling of 34913631 in words is "thirty-four million, nine hundred thirteen thousand, six hundred thirty-one".

Divisors: 1 3 17 51 684581 2053743 11637877 34913631