Base | Representation |
---|---|
bin | 1000100111110… |
… | …10111101100011 |
3 | 12001002210121220 |
4 | 10103322331203 |
5 | 122004043412 |
6 | 11102150123 |
7 | 1535542602 |
oct | 423727543 |
9 | 161083556 |
10 | 72331107 |
11 | 37913482 |
12 | 20282343 |
13 | 11ca6894 |
14 | 986ba39 |
15 | 653b68c |
hex | 44faf63 |
72331107 has 8 divisors (see below), whose sum is σ = 102114576. Its totient is φ = 45384192.
The previous prime is 72331033. The next prime is 72331139. The reversal of 72331107 is 70113327.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 72331107 - 212 = 72327011 is a prime.
It is not an unprimeable number, because it can be changed into a prime (72331607) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709078 + ... + 709179.
It is an arithmetic number, because the mean of its divisors is an integer number (12764322).
Almost surely, 272331107 is an apocalyptic number.
72331107 is a deficient number, since it is larger than the sum of its proper divisors (29783469).
72331107 is a wasteful number, since it uses less digits than its factorization.
72331107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1418277.
The product of its (nonzero) digits is 882, while the sum is 24.
The square root of 72331107 is about 8504.7696617839. The cubic root of 72331107 is about 416.6535028019.
The spelling of 72331107 in words is "seventy-two million, three hundred thirty-one thousand, one hundred seven".
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