Base | Representation |
---|---|
bin | 100110101000… |
… | …0110111111000 |
3 | 1102010000112120 |
4 | 1031100313320 |
5 | 20141113300 |
6 | 2002041240 |
7 | 334105101 |
oct | 115206770 |
9 | 42100476 |
10 | 20254200 |
11 | 1048430a |
12 | 6949220 |
13 | 4272045 |
14 | 29933a8 |
15 | 1ba13a0 |
hex | 1350df8 |
20254200 has 48 divisors (see below), whose sum is σ = 62789880. Its totient is φ = 5400960.
The previous prime is 20254183. The next prime is 20254219. The reversal of 20254200 is 245202.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 20254200.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16279 + ... + 17478.
Almost surely, 220254200 is an apocalyptic number.
20254200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20254200 is an abundant number, since it is smaller than the sum of its proper divisors (42535680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20254200 is a wasteful number, since it uses less digits than its factorization.
20254200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33776 (or 33767 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 15.
The square root of 20254200 is about 4500.4666424716. The cubic root of 20254200 is about 272.5869318357.
Adding to 20254200 its reverse (245202), we get a palindrome (20499402).
The spelling of 20254200 in words is "twenty million, two hundred fifty-four thousand, two hundred".
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