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30318864 = 243631643
BaseRepresentation
bin111001110101…
…0000100010000
32010001100122220
41303222010100
530230200424
63001501040
7515464122
oct163520420
963040586
1030318864
1116129014
12a1a1780
136387174
144053212
1529dd579
hex1cea110

30318864 has 20 divisors (see below), whose sum is σ = 78323856. Its totient is φ = 10106272.

The previous prime is 30318859. The next prime is 30318881. The reversal of 30318864 is 46881303.

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, 315774 + ... + 315869.

Almost surely, 230318864 is an apocalyptic number.

It is an amenable number.

30318864 is an abundant number, since it is smaller than the sum of its proper divisors (48004992).

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

30318864 is a wasteful number, since it uses less digits than its factorization.

30318864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631654 (or 631648 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 30318864 is about 5506.2568047631. The cubic root of 30318864 is about 311.8202449111.

The spelling of 30318864 in words is "thirty million, three hundred eighteen thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 631643 1263286 1894929 2526572 3789858 5053144 7579716 10106288 15159432 30318864