Base | Representation |
---|---|
bin | 100111111111… |
… | …0111100100000 |
3 | 1110110020120222 |
4 | 1033332330200 |
5 | 20331422300 |
6 | 2025222212 |
7 | 343134602 |
oct | 117767440 |
9 | 43406528 |
10 | 20967200 |
11 | 10920a71 |
12 | 7031968 |
13 | 4461737 |
14 | 2adb172 |
15 | 1c92785 |
hex | 13fef20 |
20967200 has 36 divisors (see below), whose sum is σ = 51188130. Its totient is φ = 8386560.
The previous prime is 20967161. The next prime is 20967209. The reversal of 20967200 is 276902.
It can be written as a sum of positive squares in 3 ways, for example, as 14227984 + 6739216 = 3772^2 + 2596^2 .
It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 20967200.
It is not an unprimeable number, because it can be changed into a prime (20967209) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12305 + ... + 13904.
Almost surely, 220967200 is an apocalyptic number.
20967200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20967200 is an abundant number, since it is smaller than the sum of its proper divisors (30220930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20967200 is a wasteful number, since it uses less digits than its factorization.
20967200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26229 (or 26216 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 26.
The square root of 20967200 is about 4578.9955230378. The cubic root of 20967200 is about 275.7487035626.
The spelling of 20967200 in words is "twenty million, nine hundred sixty-seven thousand, two hundred".
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