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30963664 = 2417113837
BaseRepresentation
bin111011000011…
…1011111010000
32011021010011101
41312013133100
530411314124
63023354144
7524121034
oct166073720
964233141
1030963664
1116529506
12a452954
1365517c4
1441801c4
152ab9644
hex1d877d0

30963664 has 20 divisors (see below), whose sum is σ = 63521604. Its totient is φ = 14571008.

The previous prime is 30963659. The next prime is 30963679. The reversal of 30963664 is 46636903.

It can be written as a sum of positive squares in 2 ways, for example, as 14899600 + 16064064 = 3860^2 + 4008^2 .

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, 56647 + ... + 57190.

Almost surely, 230963664 is an apocalyptic number.

30963664 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30963664 is an abundant number, since it is smaller than the sum of its proper divisors (32557940).

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

30963664 is a wasteful number, since it uses less digits than its factorization.

30963664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113862 (or 113856 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 37.

The square root of 30963664 is about 5564.5003369575. The cubic root of 30963664 is about 314.0152804713.

The spelling of 30963664 in words is "thirty million, nine hundred sixty-three thousand, six hundred sixty-four".

Divisors: 1 2 4 8 16 17 34 68 136 272 113837 227674 455348 910696 1821392 1935229 3870458 7740916 15481832 30963664