Base | Representation |
---|---|
bin | 1000100111010… |
… | …00011110001100 |
3 | 12000221221201220 |
4 | 10103220132030 |
5 | 121444132442 |
6 | 11100403340 |
7 | 1535106030 |
oct | 423503614 |
9 | 160857656 |
10 | 72255372 |
11 | 37871592 |
12 | 20246550 |
13 | 11c7b277 |
14 | 984c1c0 |
15 | 6523eec |
hex | 44e878c |
72255372 has 48 divisors (see below), whose sum is σ = 204019200. Its totient is φ = 19429632.
The previous prime is 72255371. The next prime is 72255373. The reversal of 72255372 is 27355227.
It is an interprime number because it is at equal distance from previous prime (72255371) and next prime (72255373).
It is not an unprimeable number, because it can be changed into a prime (72255371) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23872 + ... + 26727.
It is an arithmetic number, because the mean of its divisors is an integer number (4250400).
Almost surely, 272255372 is an apocalyptic number.
It is an amenable number.
72255372 is an abundant number, since it is smaller than the sum of its proper divisors (131763828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72255372 is a wasteful number, since it uses less digits than its factorization.
72255372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50630 (or 50628 counting only the distinct ones).
The product of its digits is 29400, while the sum is 33.
The square root of 72255372 is about 8500.3159941263. The cubic root of 72255372 is about 416.5080316293.
It can be divided in two parts, 72255 and 372, that added together give a palindrome (72627).
The spelling of 72255372 in words is "seventy-two million, two hundred fifty-five thousand, three hundred seventy-two".
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