Base | Representation |
---|---|
bin | 100111011110… |
… | …1110000001000 |
3 | 1102221200021220 |
4 | 1032331300020 |
5 | 20244401133 |
6 | 2015402040 |
7 | 340643226 |
oct | 116756010 |
9 | 42850256 |
10 | 20700168 |
11 | 10759385 |
12 | 6b23320 |
13 | 439a028 |
14 | 2a6bb16 |
15 | 1c3d5b3 |
hex | 13bdc08 |
20700168 has 32 divisors (see below), whose sum is σ = 53151360. Its totient is φ = 6713280.
The previous prime is 20700143. The next prime is 20700181. The reversal of 20700168 is 86100702.
It is a Harshad number since it is a multiple of its sum of digits (24).
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, 10768 + ... + 12543.
It is an arithmetic number, because the mean of its divisors is an integer number (1660980).
Almost surely, 220700168 is an apocalyptic number.
It is an amenable number.
20700168 is an abundant number, since it is smaller than the sum of its proper divisors (32451192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20700168 is a wasteful number, since it uses less digits than its factorization.
20700168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23357 (or 23353 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 24.
The square root of 20700168 is about 4549.7437290467. The cubic root of 20700168 is about 274.5730808301.
The spelling of 20700168 in words is "twenty million, seven hundred thousand, one hundred sixty-eight".
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