Base | Representation |
---|---|
bin | 1000100110000… |
… | …01011001100011 |
3 | 12000122211012110 |
4 | 10103001121203 |
5 | 121424022311 |
6 | 11053130403 |
7 | 1533541320 |
oct | 423013143 |
9 | 160584173 |
10 | 72095331 |
11 | 37772320 |
12 | 20189a03 |
13 | 11c23479 |
14 | 9809b47 |
15 | 64e18a6 |
hex | 44c1663 |
72095331 has 16 divisors (see below), whose sum is σ = 119847168. Its totient is φ = 37452000.
The previous prime is 72095323. The next prime is 72095333. The reversal of 72095331 is 13359027.
It is not a de Polignac number, because 72095331 - 23 = 72095323 is a prime.
It is a super-2 number, since 2×720953312 = 10395473503999122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (72095333) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155820 + ... + 156281.
It is an arithmetic number, because the mean of its divisors is an integer number (7490448).
Almost surely, 272095331 is an apocalyptic number.
72095331 is a deficient number, since it is larger than the sum of its proper divisors (47751837).
72095331 is a wasteful number, since it uses less digits than its factorization.
72095331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 312122.
The product of its (nonzero) digits is 5670, while the sum is 30.
The square root of 72095331 is about 8490.8969490861. The cubic root of 72095331 is about 416.2002914786.
The spelling of 72095331 in words is "seventy-two million, ninety-five thousand, three hundred thirty-one".
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