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30108632 = 2317269823
BaseRepresentation
bin111001011011…
…0101111011000
32002122200021112
41302312233120
530201434012
62553155452
7513630161
oct162665730
962580245
1030108632
1115aa5074
12a0bbb88
136312578
143dda768
15299b122
hex1cb6bd8

30108632 has 32 divisors (see below), whose sum is σ = 60069600. Its totient is φ = 14098944.

The previous prime is 30108619. The next prime is 30108671. The reversal of 30108632 is 23680103.

It is a super-2 number, since 2×301086322 = 1813059441822848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30108598 and 30108607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36173 + ... + 36995.

It is an arithmetic number, because the mean of its divisors is an integer number (1877175).

Almost surely, 230108632 is an apocalyptic number.

It is an amenable number.

30108632 is a deficient number, since it is larger than the sum of its proper divisors (29960968).

30108632 is a wasteful number, since it uses less digits than its factorization.

30108632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115 (or 1111 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 30108632 is about 5487.1333134889. The cubic root of 30108632 is about 311.0978486788.

Adding to 30108632 its reverse (23680103), we get a palindrome (53788735).

The spelling of 30108632 in words is "thirty million, one hundred eight thousand, six hundred thirty-two".

Divisors: 1 2 4 8 17 34 68 136 269 538 823 1076 1646 2152 3292 4573 6584 9146 13991 18292 27982 36584 55964 111928 221387 442774 885548 1771096 3763579 7527158 15054316 30108632