Base | Representation |
---|---|
bin | 111010111101… |
… | …1011011100000 |
3 | 2011011121102001 |
4 | 1311323123200 |
5 | 30403224042 |
6 | 3022333344 |
7 | 523524034 |
oct | 165733340 |
9 | 64147361 |
10 | 30914272 |
11 | 164a5394 |
12 | a42a254 |
13 | 653518c |
14 | 416a1c4 |
15 | 2aa9bb7 |
hex | 1d7b6e0 |
30914272 has 24 divisors (see below), whose sum is σ = 61047000. Its totient is φ = 15410304.
The previous prime is 30914237. The next prime is 30914281. The reversal of 30914272 is 27241903.
It is a self number, because there is not a number n which added to its sum of digits gives 30914272.
It is a congruent 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, 10854 + ... + 13402.
It is an arithmetic number, because the mean of its divisors is an integer number (2543625).
Almost surely, 230914272 is an apocalyptic number.
30914272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30914272 is a deficient number, since it is larger than the sum of its proper divisors (30132728).
30914272 is a wasteful number, since it uses less digits than its factorization.
30914272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2938 (or 2930 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 28.
The square root of 30914272 is about 5560.0604313263. The cubic root of 30914272 is about 313.8482234014.
The spelling of 30914272 in words is "thirty million, nine hundred fourteen thousand, two hundred seventy-two".
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