Base | Representation |
---|---|
bin | 1000101011110… |
… | …11100001001100 |
3 | 12002002112221110 |
4 | 10111323201030 |
5 | 122122421201 |
6 | 11121332020 |
7 | 1543165023 |
oct | 425734114 |
9 | 162075843 |
10 | 72857676 |
11 | 38143061 |
12 | 20497010 |
13 | 1212c468 |
14 | 99678ba |
15 | 65e26d6 |
hex | 457b84c |
72857676 has 24 divisors (see below), whose sum is σ = 172540480. Its totient is φ = 23923152.
The previous prime is 72857641. The next prime is 72857683. The reversal of 72857676 is 67675827.
72857676 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.
72857676 is strictly pandigital in base 9.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44506 + ... + 46113.
Almost surely, 272857676 is an apocalyptic number.
It is an amenable number.
72857676 is an abundant number, since it is smaller than the sum of its proper divisors (99682804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72857676 is a wasteful number, since it uses less digits than its factorization.
72857676 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90693 (or 90691 counting only the distinct ones).
The product of its digits is 987840, while the sum is 48.
The square root of 72857676 is about 8535.6707996501. The cubic root of 72857676 is about 417.6621355041.
The spelling of 72857676 in words is "seventy-two million, eight hundred fifty-seven thousand, six hundred seventy-six".
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