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30984308 = 2231124907
BaseRepresentation
bin111011000110…
…0100001110100
32011022011110222
41312030201310
530412444213
63024033512
7524235155
oct166144164
964264428
1030984308
1116542a73
12a462898
13655b014
14418792c
152ac0808
hex1d8c874

30984308 has 12 divisors (see below), whose sum is σ = 54399072. Its totient is φ = 15441720.

The previous prime is 30984301. The next prime is 30984347. The reversal of 30984308 is 80348903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30984301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11210 + ... + 13697.

It is an arithmetic number, because the mean of its divisors is an integer number (4533256).

Almost surely, 230984308 is an apocalyptic number.

It is an amenable number.

30984308 is a deficient number, since it is larger than the sum of its proper divisors (23414764).

30984308 is a wasteful number, since it uses less digits than its factorization.

30984308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25222 (or 25220 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 30984308 is about 5566.3550012553. The cubic root of 30984308 is about 314.0850514057.

The spelling of 30984308 in words is "thirty million, nine hundred eighty-four thousand, three hundred eight".

Divisors: 1 2 4 311 622 1244 24907 49814 99628 7746077 15492154 30984308