Base | Representation |
---|---|
bin | 111010111101… |
… | …1100011010100 |
3 | 2011011122002120 |
4 | 1311323203110 |
5 | 30403233042 |
6 | 3022335540 |
7 | 523525350 |
oct | 165734324 |
9 | 64148076 |
10 | 30914772 |
11 | 164a57a9 |
12 | a42a5b0 |
13 | 6535485 |
14 | 416a460 |
15 | 2aa9dec |
hex | 1d7b8d4 |
30914772 has 48 divisors (see below), whose sum is σ = 87292800. Its totient is φ = 8312832.
The previous prime is 30914759. The next prime is 30914803. The reversal of 30914772 is 27741903.
It is a congruent number.
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, 9397 + ... + 12252.
It is an arithmetic number, because the mean of its divisors is an integer number (1818600).
Almost surely, 230914772 is an apocalyptic number.
It is an amenable number.
30914772 is an abundant number, since it is smaller than the sum of its proper divisors (56378028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30914772 is a wasteful number, since it uses less digits than its factorization.
30914772 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21680 (or 21678 counting only the distinct ones).
The product of its (nonzero) digits is 10584, while the sum is 33.
The square root of 30914772 is about 5560.1053946845. The cubic root of 30914772 is about 313.8499154275.
The spelling of 30914772 in words is "thirty million, nine hundred fourteen thousand, seven hundred seventy-two".
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