Base | Representation |
---|---|
bin | 1000101010111… |
… | …10100011001000 |
3 | 12001212112011122 |
4 | 10111132203020 |
5 | 122110122031 |
6 | 11115014412 |
7 | 1542162050 |
oct | 425364310 |
9 | 161775148 |
10 | 72739016 |
11 | 38071999 |
12 | 2043a408 |
13 | 120ba44c |
14 | 9936560 |
15 | 65bc47b |
hex | 455e8c8 |
72739016 has 16 divisors (see below), whose sum is σ = 155869440. Its totient is φ = 31173840.
The previous prime is 72738997. The next prime is 72739027. The reversal of 72739016 is 61093727.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649400 + ... + 649511.
It is an arithmetic number, because the mean of its divisors is an integer number (9741840).
Almost surely, 272739016 is an apocalyptic number.
It is an amenable number.
72739016 is an abundant number, since it is smaller than the sum of its proper divisors (83130424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72739016 is a wasteful number, since it uses less digits than its factorization.
72739016 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1298924 (or 1298920 counting only the distinct ones).
The product of its (nonzero) digits is 15876, while the sum is 35.
The square root of 72739016 is about 8528.7171368266. The cubic root of 72739016 is about 417.4352698240.
The spelling of 72739016 in words is "seventy-two million, seven hundred thirty-nine thousand, sixteen".
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