Base | Representation |
---|---|
bin | 1000101010010… |
… | …11011000011000 |
3 | 12001201112110210 |
4 | 10111023120120 |
5 | 122100114004 |
6 | 11113211120 |
7 | 1541414130 |
oct | 425133030 |
9 | 161645423 |
10 | 72660504 |
11 | 38018a04 |
12 | 20400aa0 |
13 | 120907a7 |
14 | 9915ac0 |
15 | 65a4089 |
hex | 454b618 |
72660504 has 32 divisors (see below), whose sum is σ = 207601920. Its totient is φ = 20760096.
The previous prime is 72660493. The next prime is 72660517. The reversal of 72660504 is 40506627.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216084 + ... + 216419.
It is an arithmetic number, because the mean of its divisors is an integer number (6487560).
Almost surely, 272660504 is an apocalyptic number.
It is an amenable number.
72660504 is an abundant number, since it is smaller than the sum of its proper divisors (134941416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72660504 is a wasteful number, since it uses less digits than its factorization.
72660504 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 432519 (or 432515 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 30.
The square root of 72660504 is about 8524.1130916946. The cubic root of 72660504 is about 417.2850273161.
The spelling of 72660504 in words is "seventy-two million, six hundred sixty thousand, five hundred four".
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