Base | Representation |
---|---|
bin | 1000001111100… |
… | …10000111101100 |
3 | 11211010010211011 |
4 | 10013302013230 |
5 | 120200233124 |
6 | 10510035004 |
7 | 1466521030 |
oct | 407620754 |
9 | 154103734 |
10 | 69149164 |
11 | 3603a877 |
12 | 1b1a8a64 |
13 | 11431486 |
14 | 92801c0 |
15 | 610d994 |
hex | 41f21ec |
69149164 has 48 divisors (see below), whose sum is σ = 141433600. Its totient is φ = 28973376.
The previous prime is 69149161. The next prime is 69149219. The reversal of 69149164 is 46194196.
It is not an unprimeable number, because it can be changed into a prime (69149161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424147 + ... + 424309.
Almost surely, 269149164 is an apocalyptic number.
It is an amenable number.
69149164 is an abundant number, since it is smaller than the sum of its proper divisors (72284436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69149164 is a wasteful number, since it uses less digits than its factorization.
69149164 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 422 (or 420 counting only the distinct ones).
The product of its digits is 46656, while the sum is 40.
The square root of 69149164 is about 8315.5976333635. The cubic root of 69149164 is about 410.4519386911.
The spelling of 69149164 in words is "sixty-nine million, one hundred forty-nine thousand, one hundred sixty-four".
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