Base | Representation |
---|---|
bin | 1000010001100… |
… | …00010111101000 |
3 | 11211121002120120 |
4 | 10020300113220 |
5 | 120231413021 |
6 | 10515323240 |
7 | 1501632264 |
oct | 410602750 |
9 | 154532516 |
10 | 69404136 |
11 | 361a439a |
12 | 1b2b0520 |
13 | 114c0549 |
14 | 93090a4 |
15 | 615e2c6 |
hex | 42305e8 |
69404136 has 32 divisors (see below), whose sum is σ = 176787360. Its totient is φ = 22697792.
The previous prime is 69404129. The next prime is 69404141. The reversal of 69404136 is 63140496.
It is a junction number, because it is equal to n+sod(n) for n = 69404097 and 69404106.
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, 26010 + ... + 28553.
It is an arithmetic number, because the mean of its divisors is an integer number (5524605).
Almost surely, 269404136 is an apocalyptic number.
It is an amenable number.
69404136 is an abundant number, since it is smaller than the sum of its proper divisors (107383224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69404136 is a wasteful number, since it uses less digits than its factorization.
69404136 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54625 (or 54621 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 33.
The square root of 69404136 is about 8330.9144756143. The cubic root of 69404136 is about 410.9558029919.
The spelling of 69404136 in words is "sixty-nine million, four hundred four thousand, one hundred thirty-six".
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