Base | Representation |
---|---|
bin | 1000010110000… |
… | …00000010100101 |
3 | 11212200222211000 |
4 | 10023000002211 |
5 | 120404230423 |
6 | 10540103513 |
7 | 1506633045 |
oct | 413000245 |
9 | 155628730 |
10 | 69992613 |
11 | 36566539 |
12 | 1b534b99 |
13 | 11668362 |
14 | 941d725 |
15 | 6228843 |
hex | 42c00a5 |
69992613 has 16 divisors (see below), whose sum is σ = 103835200. Its totient is φ = 46597680.
The previous prime is 69992603. The next prime is 69992627. The reversal of 69992613 is 31629996.
It is a happy number.
It is not a de Polignac number, because 69992613 - 24 = 69992597 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69992603) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26298 + ... + 28836.
It is an arithmetic number, because the mean of its divisors is an integer number (6489700).
Almost surely, 269992613 is an apocalyptic number.
It is an amenable number.
69992613 is a deficient number, since it is larger than the sum of its proper divisors (33842587).
69992613 is a wasteful number, since it uses less digits than its factorization.
69992613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3569 (or 3563 counting only the distinct ones).
The product of its digits is 157464, while the sum is 45.
The square root of 69992613 is about 8366.1587960067. The cubic root of 69992613 is about 412.1140323592.
The spelling of 69992613 in words is "sixty-nine million, nine hundred ninety-two thousand, six hundred thirteen".
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