Base | Representation |
---|---|
bin | 1000010010101… |
… | …11100101000010 |
3 | 11211220020212210 |
4 | 10021113211002 |
5 | 120302032423 |
6 | 10523002550 |
7 | 1503201435 |
oct | 411274502 |
9 | 154806783 |
10 | 69564738 |
11 | 362a4021 |
12 | 1b369456 |
13 | 11548689 |
14 | 934b81c |
15 | 6191b93 |
hex | 4257942 |
69564738 has 16 divisors (see below), whose sum is σ = 146452320. Its totient is φ = 21967776.
The previous prime is 69564701. The next prime is 69564763. The reversal of 69564738 is 83746596.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 304995 + ... + 305222.
It is an arithmetic number, because the mean of its divisors is an integer number (9153270).
Almost surely, 269564738 is an apocalyptic number.
69564738 is an abundant number, since it is smaller than the sum of its proper divisors (76887582).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69564738 is a wasteful number, since it uses less digits than its factorization.
69564738 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 610241.
The product of its digits is 1088640, while the sum is 48.
The square root of 69564738 is about 8340.5478237344. The cubic root of 69564738 is about 411.2725443491.
The spelling of 69564738 in words is "sixty-nine million, five hundred sixty-four thousand, seven hundred thirty-eight".
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