Base | Representation |
---|---|
bin | 10111011010001… |
… | …110010110001000 |
3 | 1000101000210100210 |
4 | 113122032112020 |
5 | 1301021003342 |
6 | 102550001120 |
7 | 12506216052 |
oct | 2732162610 |
9 | 1011023323 |
10 | 392750472 |
11 | 191774274 |
12 | ab6461a0 |
13 | 634a393a |
14 | 3a2388d2 |
15 | 2473079c |
hex | 1768e588 |
392750472 has 32 divisors (see below), whose sum is σ = 984139200. Its totient is φ = 130615104.
The previous prime is 392750467. The next prime is 392750497. The reversal of 392750472 is 274057293.
It is a self number, because there is not a number n which added to its sum of digits gives 392750472.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8103 + ... + 29174.
It is an arithmetic number, because the mean of its divisors is an integer number (30754350).
Almost surely, 2392750472 is an apocalyptic number.
It is an amenable number.
392750472 is an abundant number, since it is smaller than the sum of its proper divisors (591388728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
392750472 is a wasteful number, since it uses less digits than its factorization.
392750472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37725 (or 37721 counting only the distinct ones).
The product of its (nonzero) digits is 105840, while the sum is 39.
The square root of 392750472 is about 19817.9330910163. The cubic root of 392750472 is about 732.3278861929.
The spelling of 392750472 in words is "three hundred ninety-two million, seven hundred fifty thousand, four hundred seventy-two".
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