Base | Representation |
---|---|
bin | 100110010110… |
… | …1010111111000 |
3 | 1101211122002002 |
4 | 1030231113320 |
5 | 20121440132 |
6 | 1555000132 |
7 | 332631134 |
oct | 114552770 |
9 | 41748062 |
10 | 20108792 |
11 | 10395040 |
12 | 6899048 |
13 | 4220ac2 |
14 | 29563c4 |
15 | 1b73262 |
hex | 132d5f8 |
20108792 has 16 divisors (see below), whose sum is σ = 41131800. Its totient is φ = 9140320.
The previous prime is 20108789. The next prime is 20108813. The reversal of 20108792 is 29780102.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114167 + ... + 114342.
Almost surely, 220108792 is an apocalyptic number.
20108792 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
20108792 is an abundant number, since it is smaller than the sum of its proper divisors (21023008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20108792 is a wasteful number, since it uses less digits than its factorization.
20108792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 228526 (or 228522 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 29.
The square root of 20108792 is about 4484.2827743130. The cubic root of 20108792 is about 271.9330501314.
Adding to 20108792 its reverse (29780102), we get a palindrome (49888894).
The spelling of 20108792 in words is "twenty million, one hundred eight thousand, seven hundred ninety-two".
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