Base | Representation |
---|---|
bin | 111011000101… |
… | …0101000000000 |
3 | 2011021202210020 |
4 | 1312022220000 |
5 | 30412222022 |
6 | 3023533440 |
7 | 524203350 |
oct | 166125000 |
9 | 64252706 |
10 | 30976512 |
11 | 16538126 |
12 | a45a280 |
13 | 65575c8 |
14 | 4184b60 |
15 | 2abd35c |
hex | 1d8aa00 |
30976512 has 160 divisors (see below), whose sum is σ = 97946112. Its totient is φ = 8515584.
The previous prime is 30976501. The next prime is 30976537. The reversal of 30976512 is 21567903.
It is a super-2 number, since 2×309765122 = 1919088591372288, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462303 + ... + 462369.
Almost surely, 230976512 is an apocalyptic number.
30976512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30976512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48973056).
30976512 is an abundant number, since it is smaller than the sum of its proper divisors (66969600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30976512 is an equidigital number, since it uses as much as digits as its factorization.
30976512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138 (or 122 counting only the distinct ones).
The product of its (nonzero) digits is 11340, while the sum is 33.
The square root of 30976512 is about 5565.6546784722. The cubic root of 30976512 is about 314.0587067535.
The spelling of 30976512 in words is "thirty million, nine hundred seventy-six thousand, five hundred twelve".
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