Base | Representation |
---|---|
bin | 1000001111010… |
… | …10011110101000 |
3 | 11211001112212220 |
4 | 10013222132220 |
5 | 120143232424 |
6 | 10505234040 |
7 | 1466330544 |
oct | 407523650 |
9 | 154045786 |
10 | 69117864 |
11 | 36019302 |
12 | 1b192920 |
13 | 1142015a |
14 | 9272a24 |
15 | 6104579 |
hex | 41ea7a8 |
69117864 has 16 divisors (see below), whose sum is σ = 172794720. Its totient is φ = 23039280.
The previous prime is 69117859. The next prime is 69117913. The reversal of 69117864 is 46871196.
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 1439932 + ... + 1439979.
It is an arithmetic number, because the mean of its divisors is an integer number (10799670).
Almost surely, 269117864 is an apocalyptic number.
It is an amenable number.
69117864 is an abundant number, since it is smaller than the sum of its proper divisors (103676856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69117864 is a wasteful number, since it uses less digits than its factorization.
69117864 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2879920 (or 2879916 counting only the distinct ones).
The product of its digits is 72576, while the sum is 42.
The square root of 69117864 is about 8313.7154149033. The cubic root of 69117864 is about 410.3899997183.
The spelling of 69117864 in words is "sixty-nine million, one hundred seventeen thousand, eight hundred sixty-four".
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