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30799688 = 2337104053
BaseRepresentation
bin111010101111…
…1011101001000
32010221210020012
41311133131020
530341042223
63020051052
7522536003
oct165373510
963853205
1030799688
1116427297
12a393a88
1364c4c8a
14413a53a
152a85c78
hex1d5f748

30799688 has 16 divisors (see below), whose sum is σ = 59310780. Its totient is φ = 14983488.

The previous prime is 30799679. The next prime is 30799697. The reversal of 30799688 is 88699703.

It is an interprime number because it is at equal distance from previous prime (30799679) and next prime (30799697).

It can be written as a sum of positive squares in 2 ways, for example, as 26646244 + 4153444 = 5162^2 + 2038^2 .

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, 51731 + ... + 52322.

Almost surely, 230799688 is an apocalyptic number.

It is an amenable number.

30799688 is a deficient number, since it is larger than the sum of its proper divisors (28511092).

30799688 is a wasteful number, since it uses less digits than its factorization.

30799688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104096 (or 104092 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 30799688 is about 5549.7466608846. The cubic root of 30799688 is about 313.4599830047.

The spelling of 30799688 in words is "thirty million, seven hundred ninety-nine thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 37 74 148 296 104053 208106 416212 832424 3849961 7699922 15399844 30799688