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30669704 = 23132910169
BaseRepresentation
bin111010011111…
…1101110001000
32010201011220222
41310333232020
530322412304
63013205212
7521455022
oct164775610
963634828
1030669704
111634866a
12a330808
13647aa70
144105012
152a5c4be
hex1d3fb88

30669704 has 32 divisors (see below), whose sum is σ = 64071000. Its totient is φ = 13665792.

The previous prime is 30669701. The next prime is 30669773. The reversal of 30669704 is 40796603.

It can be written as a sum of positive squares in 4 ways, for example, as 27772900 + 2896804 = 5270^2 + 1702^2 .

It is not an unprimeable number, because it can be changed into a prime (30669701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2069 + ... + 8100.

Almost surely, 230669704 is an apocalyptic number.

It is an amenable number.

30669704 is an abundant number, since it is smaller than the sum of its proper divisors (33401296).

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

30669704 is a wasteful number, since it uses less digits than its factorization.

30669704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10217 (or 10213 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 30669704 is about 5538.0234741287. The cubic root of 30669704 is about 313.0183958947.

The spelling of 30669704 in words is "thirty million, six hundred sixty-nine thousand, seven hundred four".

Divisors: 1 2 4 8 13 26 29 52 58 104 116 232 377 754 1508 3016 10169 20338 40676 81352 132197 264394 294901 528788 589802 1057576 1179604 2359208 3833713 7667426 15334852 30669704