Base | Representation |
---|---|
bin | 1000101001111… |
… | …10110001111100 |
3 | 12001121220200020 |
4 | 10110332301330 |
5 | 122041441032 |
6 | 11112132140 |
7 | 1541110506 |
oct | 424766174 |
9 | 161556606 |
10 | 72608892 |
11 | 37a93154 |
12 | 20397050 |
13 | 12073155 |
14 | 9900d76 |
15 | 6593b2c |
hex | 453ec7c |
72608892 has 24 divisors (see below), whose sum is σ = 170562000. Its totient is φ = 24039936.
The previous prime is 72608891. The next prime is 72608903. The reversal of 72608892 is 29880627.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72608891) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18517 + ... + 22092.
It is an arithmetic number, because the mean of its divisors is an integer number (7106750).
Almost surely, 272608892 is an apocalyptic number.
It is an amenable number.
72608892 is an abundant number, since it is smaller than the sum of its proper divisors (97953108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72608892 is a wasteful number, since it uses less digits than its factorization.
72608892 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40765 (or 40763 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 42.
The square root of 72608892 is about 8521.0851421635. The cubic root of 72608892 is about 417.1862023470.
The spelling of 72608892 in words is "seventy-two million, six hundred eight thousand, eight hundred ninety-two".
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