Base | Representation |
---|---|
bin | 1000101011101… |
… | …00001011101010 |
3 | 12002001000201111 |
4 | 10111310023222 |
5 | 122120441001 |
6 | 11120540534 |
7 | 1543011304 |
oct | 425641352 |
9 | 162030644 |
10 | 72827626 |
11 | 38122523 |
12 | 2048174a |
13 | 1211b891 |
14 | 995a974 |
15 | 65d8851 |
hex | 45742ea |
72827626 has 16 divisors (see below), whose sum is σ = 115852680. Its totient is φ = 34216960.
The previous prime is 72827621. The next prime is 72827641. The reversal of 72827626 is 62672827.
It can be written as a sum of positive squares in 4 ways, for example, as 63186601 + 9641025 = 7949^2 + 3105^2 .
It is not an unprimeable number, because it can be changed into a prime (72827621) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26610 + ... + 29218.
Almost surely, 272827626 is an apocalyptic number.
72827626 is a deficient number, since it is larger than the sum of its proper divisors (43025054).
72827626 is a wasteful number, since it uses less digits than its factorization.
72827626 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3449.
The product of its digits is 112896, while the sum is 40.
The square root of 72827626 is about 8533.9103580949. The cubic root of 72827626 is about 417.6047063089.
The spelling of 72827626 in words is "seventy-two million, eight hundred twenty-seven thousand, six hundred twenty-six".
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