Base | Representation |
---|---|
bin | 1000101100010… |
… | …00100010010011 |
3 | 12002012021002020 |
4 | 10112020202103 |
5 | 122131122440 |
6 | 11122422523 |
7 | 1543506333 |
oct | 426104223 |
9 | 162167066 |
10 | 72910995 |
11 | 3817a123 |
12 | 20501a43 |
13 | 1214a801 |
14 | 997d0c3 |
15 | 66033d0 |
hex | 4588893 |
72910995 has 16 divisors (see below), whose sum is σ = 116778240. Its totient is φ = 38845664.
The previous prime is 72910993. The next prime is 72911057. The reversal of 72910995 is 59901927.
It is a cyclic number.
It is not a de Polignac number, because 72910995 - 21 = 72910993 is a prime.
It is not an unprimeable number, because it can be changed into a prime (72910993) 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, 17746 + ... + 21464.
It is an arithmetic number, because the mean of its divisors is an integer number (7298640).
Almost surely, 272910995 is an apocalyptic number.
72910995 is a deficient number, since it is larger than the sum of its proper divisors (43867245).
72910995 is a wasteful number, since it uses less digits than its factorization.
72910995 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5034.
The product of its (nonzero) digits is 51030, while the sum is 42.
The square root of 72910995 is about 8538.7935330467. The cubic root of 72910995 is about 417.7639957263.
The spelling of 72910995 in words is "seventy-two million, nine hundred ten thousand, nine hundred ninety-five".
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