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103806631 = 2931115469
BaseRepresentation
bin1100010111111…
…11011010100111
321020022220221001
412023333122213
5203033303011
614144534131
72400225145
oct613773247
9236286831
10103806631
1153661505
122a921347
1318677356
14db02595
1591a77c1
hex62ff6a7

103806631 has 8 divisors (see below), whose sum is σ = 110851200. Its totient is φ = 96993120.

The previous prime is 103806623. The next prime is 103806649. The reversal of 103806631 is 136608301.

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 103806631 - 23 = 103806623 is a prime.

It is a super-2 number, since 2×1038066312 = 21551633279140322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103806631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103806931) 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, 56836 + ... + 58633.

It is an arithmetic number, because the mean of its divisors is an integer number (13856400).

Almost surely, 2103806631 is an apocalyptic number.

103806631 is a deficient number, since it is larger than the sum of its proper divisors (7044569).

103806631 is a wasteful number, since it uses less digits than its factorization.

103806631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115529.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 103806631 is about 10188.5539209448. The cubic root of 103806631 is about 469.9752982340.

The spelling of 103806631 in words is "one hundred three million, eight hundred six thousand, six hundred thirty-one".

Divisors: 1 29 31 899 115469 3348601 3579539 103806631