Base | Representation |
---|---|
bin | 100110100111… |
… | …0110111000010 |
3 | 1102002121020011 |
4 | 1031032313002 |
5 | 20140332304 |
6 | 2001535134 |
7 | 334042051 |
oct | 115166702 |
9 | 42077204 |
10 | 20245954 |
11 | 104790a3 |
12 | 69444aa |
13 | 426b371 |
14 | 2990398 |
15 | 1b9dc04 |
hex | 134edc2 |
20245954 has 8 divisors (see below), whose sum is σ = 30401280. Its totient is φ = 10112196.
The previous prime is 20245943. The next prime is 20245999. The reversal of 20245954 is 45954202.
It is a sphenic number, since it is the product of 3 distinct primes.
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 3 ways as a sum of consecutive naturals, for example, 2794 + ... + 6949.
It is an arithmetic number, because the mean of its divisors is an integer number (3800160).
Almost surely, 220245954 is an apocalyptic number.
20245954 is a deficient number, since it is larger than the sum of its proper divisors (10155326).
20245954 is a wasteful number, since it uses less digits than its factorization.
20245954 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10784.
The product of its (nonzero) digits is 14400, while the sum is 31.
The square root of 20245954 is about 4499.5504219866. The cubic root of 20245954 is about 272.5499344566.
The spelling of 20245954 in words is "twenty million, two hundred forty-five thousand, nine hundred fifty-four".
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