Base | Representation |
---|---|
bin | 1000101100011… |
… | …01101001111010 |
3 | 12002020022211210 |
4 | 10112031221322 |
5 | 122132310322 |
6 | 11123103550 |
7 | 1543624425 |
oct | 426155172 |
9 | 162208753 |
10 | 72931962 |
11 | 38193954 |
12 | 20511bb6 |
13 | 1215720c |
14 | 99869bc |
15 | 660970c |
hex | 458da7a |
72931962 has 16 divisors (see below), whose sum is σ = 145971360. Its totient is φ = 24292752.
The previous prime is 72931889. The next prime is 72931967. The reversal of 72931962 is 26913927.
It is a self number, because there is not a number n which added to its sum of digits gives 72931962.
It is not an unprimeable number, because it can be changed into a prime (72931967) 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, 6373 + ... + 13655.
It is an arithmetic number, because the mean of its divisors is an integer number (9123210).
Almost surely, 272931962 is an apocalyptic number.
72931962 is an abundant number, since it is smaller than the sum of its proper divisors (73039398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72931962 is a wasteful number, since it uses less digits than its factorization.
72931962 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8957.
The product of its digits is 40824, while the sum is 39.
The square root of 72931962 is about 8540.0211943531. The cubic root of 72931962 is about 417.8040373240.
The spelling of 72931962 in words is "seventy-two million, nine hundred thirty-one thousand, nine hundred sixty-two".
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