Base | Representation |
---|---|
bin | 1000010101010… |
… | …00011011000000 |
3 | 11212112002010000 |
4 | 10022220123000 |
5 | 120343131442 |
6 | 10534040000 |
7 | 1506051024 |
oct | 412503300 |
9 | 155462100 |
10 | 69895872 |
11 | 364aa892 |
12 | 1b4a9000 |
13 | 11633307 |
14 | 93d6384 |
15 | 6209d4c |
hex | 42a86c0 |
69895872 has 140 divisors (see below), whose sum is σ = 210835240. Its totient is φ = 22892544.
The previous prime is 69895853. The next prime is 69895901. The reversal of 69895872 is 27859896.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 502779 + ... + 502917.
It is an arithmetic number, because the mean of its divisors is an integer number (1505966).
Almost surely, 269895872 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 69895872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105417620).
69895872 is an abundant number, since it is smaller than the sum of its proper divisors (140939368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69895872 is a wasteful number, since it uses less digits than its factorization.
69895872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 260 (or 241 counting only the distinct ones).
The product of its digits is 2177280, while the sum is 54.
The square root of 69895872 is about 8360.3751112016. The cubic root of 69895872 is about 411.9240756188.
The spelling of 69895872 in words is "sixty-nine million, eight hundred ninety-five thousand, eight hundred seventy-two".
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