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30677412 = 2232556451
BaseRepresentation
bin111010100000…
…1100110100100
32010201120111110
41311001212210
530323134122
63013305020
7521516343
oct165014644
963646443
1030677412
1116353437
12a335170
13648141c
144107b5a
152a5e90c
hex1d419a4

30677412 has 12 divisors (see below), whose sum is σ = 71580656. Its totient is φ = 10225800.

The previous prime is 30677369. The next prime is 30677453. The reversal of 30677412 is 21477603.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×306774122 = 1882207214035488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30677412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1278214 + ... + 1278237.

Almost surely, 230677412 is an apocalyptic number.

It is an amenable number.

30677412 is an abundant number, since it is smaller than the sum of its proper divisors (40903244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30677412 is a wasteful number, since it uses less digits than its factorization.

30677412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556458 (or 2556456 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 30677412 is about 5538.7193465638. The cubic root of 30677412 is about 313.0446165988.

The spelling of 30677412 in words is "thirty million, six hundred seventy-seven thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 2556451 5112902 7669353 10225804 15338706 30677412