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30960964 = 228986969
BaseRepresentation
bin111011000011…
…0110101000100
32011020222110101
41312012311010
530411222324
63023333444
7524110126
oct166066504
964228411
1030960964
1116527481
12a451284
1365504c8
14417d216
152ab8944
hex1d86d44

30960964 has 12 divisors (see below), whose sum is σ = 54791100. Its totient is φ = 15306368.

The previous prime is 30960959. The next prime is 30961019. The reversal of 30960964 is 46906903.

It can be written as a sum of positive squares in 2 ways, for example, as 1800964 + 29160000 = 1342^2 + 5400^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43129 + ... + 43840.

It is an arithmetic number, because the mean of its divisors is an integer number (4565925).

Almost surely, 230960964 is an apocalyptic number.

It is an amenable number.

30960964 is a deficient number, since it is larger than the sum of its proper divisors (23830136).

30960964 is a wasteful number, since it uses less digits than its factorization.

30960964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87062 (or 87060 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 30960964 is about 5564.2577222843. The cubic root of 30960964 is about 314.0061529350.

The spelling of 30960964 in words is "thirty million, nine hundred sixty thousand, nine hundred sixty-four".

Divisors: 1 2 4 89 178 356 86969 173938 347876 7740241 15480482 30960964