Base | Representation |
---|---|
bin | 10000100010111… |
… | …01111011111010 |
3 | 100200011121102000 |
4 | 20101131323322 |
5 | 241012444134 |
6 | 21434521430 |
7 | 3303516243 |
oct | 1021357372 |
9 | 320147360 |
10 | 138796794 |
11 | 713900a4 |
12 | 3a596276 |
13 | 229a87a6 |
14 | 1460dcca |
15 | c2b9e99 |
hex | 845defa |
138796794 has 16 divisors (see below), whose sum is σ = 308437440. Its totient is φ = 46265580.
The previous prime is 138796787. The next prime is 138796807. The reversal of 138796794 is 497697831.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 2570311 = 138796794 / (1 + 3 + 8 + 7 + 9 + 6 + 7 + 9 + 4).
It is a self number, because there is not a number n which added to its sum of digits gives 138796794.
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, 1285102 + ... + 1285209.
It is an arithmetic number, because the mean of its divisors is an integer number (19277340).
Almost surely, 2138796794 is an apocalyptic number.
138796794 is an abundant number, since it is smaller than the sum of its proper divisors (169640646).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138796794 is a wasteful number, since it uses less digits than its factorization.
138796794 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2570322 (or 2570316 counting only the distinct ones).
The product of its digits is 2286144, while the sum is 54.
The square root of 138796794 is about 11781.2051166254. The cubic root of 138796794 is about 517.7575949236.
The spelling of 138796794 in words is "one hundred thirty-eight million, seven hundred ninety-six thousand, seven hundred ninety-four".
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