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30230788 = 2271079671
BaseRepresentation
bin111001101010…
…0100100000100
32002212212211211
41303110210010
530214341123
62555541204
7514646260
oct163244404
962785754
1030230788
1116078925
12a15a804
136356053
14402d0a0
1529c240d
hex1cd4904

30230788 has 12 divisors (see below), whose sum is σ = 60461632. Its totient is φ = 12956040.

The previous prime is 30230779. The next prime is 30230791. The reversal of 30230788 is 88703203.

30230788 is an admirable 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, 539808 + ... + 539863.

Almost surely, 230230788 is an apocalyptic number.

It is an amenable number.

30230788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30230788 is a wasteful number, since it uses less digits than its factorization.

30230788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079682 (or 1079680 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 30230788 is about 5498.2531771464. The cubic root of 30230788 is about 311.5180071470.

The spelling of 30230788 in words is "thirty million, two hundred thirty thousand, seven hundred eighty-eight".

Divisors: 1 2 4 7 14 28 1079671 2159342 4318684 7557697 15115394 30230788