Base | Representation |
---|---|
bin | 1000010101011… |
… | …01000001000000 |
3 | 11212120000220220 |
4 | 10022231001000 |
5 | 120344232223 |
6 | 10534303040 |
7 | 1506156624 |
oct | 412550100 |
9 | 155500826 |
10 | 69914688 |
11 | 36512a38 |
12 | 1b4b7a80 |
13 | 1163ba4c |
14 | 93dd184 |
15 | 62106e3 |
hex | 42ad040 |
69914688 has 56 divisors (see below), whose sum is σ = 185623200. Its totient is φ = 23224320.
The previous prime is 69914657. The next prime is 69914711. The reversal of 69914688 is 88641996.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 69914688.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85803 + ... + 86613.
It is an arithmetic number, because the mean of its divisors is an integer number (3314700).
Almost surely, 269914688 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69914688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92811600).
69914688 is an abundant number, since it is smaller than the sum of its proper divisors (115708512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69914688 is a wasteful number, since it uses less digits than its factorization.
69914688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1275 (or 1265 counting only the distinct ones).
The product of its digits is 746496, while the sum is 51.
The square root of 69914688 is about 8361.5003438378. The cubic root of 69914688 is about 411.9610356842.
The spelling of 69914688 in words is "sixty-nine million, nine hundred fourteen thousand, six hundred eighty-eight".
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