Base | Representation |
---|---|
bin | 1000010010100… |
… | …00010010010000 |
3 | 11211211201220100 |
4 | 10021100102100 |
5 | 120300103424 |
6 | 10522212400 |
7 | 1503015360 |
oct | 411202220 |
9 | 154751810 |
10 | 69534864 |
11 | 36283633 |
12 | 1b354100 |
13 | 11537bb9 |
14 | 93409a0 |
15 | 6187dc9 |
hex | 4250490 |
69534864 has 120 divisors (see below), whose sum is σ = 224932032. Its totient is φ = 19641600.
The previous prime is 69534859. The next prime is 69534869. The reversal of 69534864 is 46843596.
It is an interprime number because it is at equal distance from previous prime (69534859) and next prime (69534869).
It is a super-2 number, since 2×695348642 = 9670194622996992, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (69534869) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101467 + ... + 102149.
Almost surely, 269534864 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 69534864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112466016).
69534864 is an abundant number, since it is smaller than the sum of its proper divisors (155397168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69534864 is a wasteful number, since it uses less digits than its factorization.
69534864 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 805 (or 796 counting only the distinct ones).
The product of its digits is 622080, while the sum is 45.
The square root of 69534864 is about 8338.7567418651. The cubic root of 69534864 is about 411.2136633915.
The spelling of 69534864 in words is "sixty-nine million, five hundred thirty-four thousand, eight hundred sixty-four".
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