Base | Representation |
---|---|
bin | 100111011110… |
… | …0011010101100 |
3 | 1102221101210101 |
4 | 1032330122230 |
5 | 20244212300 |
6 | 2015320444 |
7 | 340621255 |
oct | 116743254 |
9 | 42841711 |
10 | 20694700 |
11 | 10755264 |
12 | 6b20124 |
13 | 43976b0 |
14 | 2a69b2c |
15 | 1c3bb6a |
hex | 13bc6ac |
20694700 has 36 divisors (see below), whose sum is σ = 48364960. Its totient is φ = 7640640.
The previous prime is 20694691. The next prime is 20694703. The reversal of 20694700 is 749602.
It is not an unprimeable number, because it can be changed into a prime (20694703) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6660 + ... + 9259.
Almost surely, 220694700 is an apocalyptic number.
20694700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20694700 is an abundant number, since it is smaller than the sum of its proper divisors (27670260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20694700 is a wasteful number, since it uses less digits than its factorization.
20694700 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15946 (or 15939 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 28.
The square root of 20694700 is about 4549.1427763921. The cubic root of 20694700 is about 274.5489023174.
The spelling of 20694700 in words is "twenty million, six hundred ninety-four thousand, seven hundred".
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