Base | Representation |
---|---|
bin | 1000101011001… |
… | …00111001010010 |
3 | 12001220211211101 |
4 | 10111210321102 |
5 | 122111440020 |
6 | 11115335014 |
7 | 1542330613 |
oct | 425447122 |
9 | 161824741 |
10 | 72765010 |
11 | 3808a47a |
12 | 2045146a |
13 | 120c9226 |
14 | 9941c0a |
15 | 65c500a |
hex | 4564e52 |
72765010 has 16 divisors (see below), whose sum is σ = 131074200. Its totient is φ = 29084416.
The previous prime is 72764983. The next prime is 72765019. The reversal of 72765010 is 1056727.
It can be written as a sum of positive squares in 4 ways, for example, as 61293241 + 11471769 = 7829^2 + 3387^2 .
It is an alternating number because its digits alternate between odd and even.
It is a self number, because there is not a number n which added to its sum of digits gives 72765010.
It is not an unprimeable number, because it can be changed into a prime (72765019) 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, 24696 + ... + 27484.
Almost surely, 272765010 is an apocalyptic number.
72765010 is a deficient number, since it is larger than the sum of its proper divisors (58309190).
72765010 is a wasteful number, since it uses less digits than its factorization.
72765010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5405.
The product of its (nonzero) digits is 2940, while the sum is 28.
The square root of 72765010 is about 8530.2409110177. The cubic root of 72765010 is about 417.4849887631.
The spelling of 72765010 in words is "seventy-two million, seven hundred sixty-five thousand, ten".
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