Base | Representation |
---|---|
bin | 111010011111… |
… | …1101110001000 |
3 | 2010201011220222 |
4 | 1310333232020 |
5 | 30322412304 |
6 | 3013205212 |
7 | 521455022 |
oct | 164775610 |
9 | 63634828 |
10 | 30669704 |
11 | 1634866a |
12 | a330808 |
13 | 647aa70 |
14 | 4105012 |
15 | 2a5c4be |
hex | 1d3fb88 |
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".
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