Base | Representation |
---|---|
bin | 100110100110… |
… | …1110111111000 |
3 | 1102002101200110 |
4 | 1031031313320 |
5 | 20140220122 |
6 | 2001504320 |
7 | 334024215 |
oct | 115156770 |
9 | 42071613 |
10 | 20241912 |
11 | 10476059 |
12 | 69420a0 |
13 | 4269582 |
14 | 298cb0c |
15 | 1b9c90c |
hex | 134ddf8 |
20241912 has 32 divisors (see below), whose sum is σ = 50734800. Its totient is φ = 6729984.
The previous prime is 20241899. The next prime is 20241929. The reversal of 20241912 is 21914202.
It is a congruent number.
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, 11388 + ... + 13044.
Almost surely, 220241912 is an apocalyptic number.
It is an amenable number.
20241912 is an abundant number, since it is smaller than the sum of its proper divisors (30492888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20241912 is a wasteful number, since it uses less digits than its factorization.
20241912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2175 (or 2171 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 21.
The square root of 20241912 is about 4499.1012435819. The cubic root of 20241912 is about 272.5317955212.
The spelling of 20241912 in words is "twenty million, two hundred forty-one thousand, nine hundred twelve".
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