Base | Representation |
---|---|
bin | 1000100110011… |
… | …11011000110110 |
3 | 12000202201210122 |
4 | 10103033120312 |
5 | 121432341010 |
6 | 11054251542 |
7 | 1534200344 |
oct | 423173066 |
9 | 160681718 |
10 | 72152630 |
11 | 37801380 |
12 | 201b6bb2 |
13 | 11c43584 |
14 | 9822994 |
15 | 6503855 |
hex | 44cf636 |
72152630 has 32 divisors (see below), whose sum is σ = 144017568. Its totient is φ = 25804800.
The previous prime is 72152623. The next prime is 72152653. The reversal of 72152630 is 3625127.
It is a self number, because there is not a number n which added to its sum of digits gives 72152630.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1334 + ... + 12086.
It is an arithmetic number, because the mean of its divisors is an integer number (4500549).
Almost surely, 272152630 is an apocalyptic number.
72152630 is a deficient number, since it is larger than the sum of its proper divisors (71864938).
72152630 is a wasteful number, since it uses less digits than its factorization.
72152630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10832.
The product of its (nonzero) digits is 2520, while the sum is 26.
The square root of 72152630 is about 8494.2704218785. The cubic root of 72152630 is about 416.3105230527.
Adding to 72152630 its reverse (3625127), we get a palindrome (75777757).
The spelling of 72152630 in words is "seventy-two million, one hundred fifty-two thousand, six hundred thirty".
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