Base | Representation |
---|---|
bin | 1000100111100… |
… | …01101000110010 |
3 | 12001000212020100 |
4 | 10103301220302 |
5 | 122001333124 |
6 | 11101253230 |
7 | 1535323341 |
oct | 423615062 |
9 | 161025210 |
10 | 72292914 |
11 | 37897811 |
12 | 20264216 |
13 | 11c92395 |
14 | 985bb58 |
15 | 65301c9 |
hex | 44f1a32 |
72292914 has 24 divisors (see below), whose sum is σ = 157240512. Its totient is φ = 24004440.
The previous prime is 72292897. The next prime is 72292949. The reversal of 72292914 is 41929227.
It is a super-2 number, since 2×722929142 = 10452530829222792, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2902 + ... + 12369.
It is an arithmetic number, because the mean of its divisors is an integer number (6551688).
Almost surely, 272292914 is an apocalyptic number.
72292914 is an abundant number, since it is smaller than the sum of its proper divisors (84947598).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72292914 is a wasteful number, since it uses less digits than its factorization.
72292914 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15542 (or 15539 counting only the distinct ones).
The product of its digits is 18144, while the sum is 36.
The square root of 72292914 is about 8502.5239782079. The cubic root of 72292914 is about 416.5801546967.
It can be divided in two parts, 722 and 92914, that added together give a square (93636 = 3062).
The spelling of 72292914 in words is "seventy-two million, two hundred ninety-two thousand, nine hundred fourteen".
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