Base | Representation |
---|---|
bin | 1000101100100… |
… | …10101001001000 |
3 | 12002021100212110 |
4 | 10112102221020 |
5 | 122133434032 |
6 | 11123342320 |
7 | 1544041122 |
oct | 426225110 |
9 | 162240773 |
10 | 72952392 |
11 | 381a8237 |
12 | 205219a0 |
13 | 121635c6 |
14 | 9990212 |
15 | 66107cc |
hex | 4592a48 |
72952392 has 64 divisors (see below), whose sum is σ = 186912000. Its totient is φ = 23721984.
The previous prime is 72952391. The next prime is 72952403. The reversal of 72952392 is 29325927.
It is a self number, because there is not a number n which added to its sum of digits gives 72952392.
It is not an unprimeable number, because it can be changed into a prime (72952391) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206488 + ... + 206840.
It is an arithmetic number, because the mean of its divisors is an integer number (2920500).
Almost surely, 272952392 is an apocalyptic number.
It is an amenable number.
72952392 is an abundant number, since it is smaller than the sum of its proper divisors (113959608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72952392 is a wasteful number, since it uses less digits than its factorization.
72952392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 550 (or 546 counting only the distinct ones).
The product of its digits is 68040, while the sum is 39.
The square root of 72952392 is about 8541.2172434613. The cubic root of 72952392 is about 417.8430460081.
The spelling of 72952392 in words is "seventy-two million, nine hundred fifty-two thousand, three hundred ninety-two".
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