Base | Representation |
---|---|
bin | 1000101010011… |
… | …10110111000011 |
3 | 12001202021000121 |
4 | 10111032313003 |
5 | 122101043010 |
6 | 11113401111 |
7 | 1541503516 |
oct | 425166703 |
9 | 161667017 |
10 | 72674755 |
11 | 3802868a |
12 | 20409197 |
13 | 1209711a |
14 | 991ad7d |
15 | 65a83da |
hex | 454edc3 |
72674755 has 16 divisors (see below), whose sum is σ = 89768448. Its totient is φ = 56448000.
The previous prime is 72674681. The next prime is 72674759. The reversal of 72674755 is 55747627.
It is not a de Polignac number, because 72674755 - 213 = 72666563 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (72674759) 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, 48670 + ... + 50140.
It is an arithmetic number, because the mean of its divisors is an integer number (5610528).
Almost surely, 272674755 is an apocalyptic number.
72674755 is a deficient number, since it is larger than the sum of its proper divisors (17093693).
72674755 is a wasteful number, since it uses less digits than its factorization.
72674755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1758.
The product of its digits is 411600, while the sum is 43.
The square root of 72674755 is about 8524.9489734543. The cubic root of 72674755 is about 417.3123064194.
It can be divided in two parts, 7 and 2674755, that added together give a palindrome (2674762).
The spelling of 72674755 in words is "seventy-two million, six hundred seventy-four thousand, seven hundred fifty-five".
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