Base | Representation |
---|---|
bin | 1000010101101… |
… | …00000000001100 |
3 | 11212121111011220 |
4 | 10022310000030 |
5 | 120401141213 |
6 | 10535043340 |
7 | 1506336231 |
oct | 412640014 |
9 | 155544156 |
10 | 69943308 |
11 | 36532496 |
12 | 1b510550 |
13 | 1164ba96 |
14 | 9409788 |
15 | 6218e23 |
hex | 42b400c |
69943308 has 24 divisors (see below), whose sum is σ = 164819760. Its totient is φ = 23083200.
The previous prime is 69943303. The next prime is 69943309. The reversal of 69943308 is 80334996.
It is a self number, because there is not a number n which added to its sum of digits gives 69943308.
It is not an unprimeable number, because it can be changed into a prime (69943301) 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, 27643 + ... + 30066.
It is an arithmetic number, because the mean of its divisors is an integer number (6867490).
Almost surely, 269943308 is an apocalyptic number.
It is an amenable number.
69943308 is an abundant number, since it is smaller than the sum of its proper divisors (94876452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69943308 is a wasteful number, since it uses less digits than its factorization.
69943308 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57817 (or 57815 counting only the distinct ones).
The product of its (nonzero) digits is 139968, while the sum is 42.
The square root of 69943308 is about 8363.2115840746. The cubic root of 69943308 is about 412.0172409287.
The spelling of 69943308 in words is "sixty-nine million, nine hundred forty-three thousand, three hundred eight".
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