Base | Representation |
---|---|
bin | 100111000011… |
… | …0100101011010 |
3 | 1102112012022210 |
4 | 1032012211122 |
5 | 20220133302 |
6 | 2010455550 |
7 | 336012360 |
oct | 116064532 |
9 | 42465283 |
10 | 20474202 |
11 | 10614631 |
12 | 6a345b6 |
13 | 431b218 |
14 | 2a0d630 |
15 | 1be666c |
hex | 138695a |
20474202 has 16 divisors (see below), whose sum is σ = 46798272. Its totient is φ = 5849760.
The previous prime is 20474161. The next prime is 20474221. The reversal of 20474202 is 20247402.
It is a Harshad number since it is a multiple of its sum of digits (21).
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, 243699 + ... + 243782.
It is an arithmetic number, because the mean of its divisors is an integer number (2924892).
Almost surely, 220474202 is an apocalyptic number.
20474202 is an abundant number, since it is smaller than the sum of its proper divisors (26324070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20474202 is a wasteful number, since it uses less digits than its factorization.
20474202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 487493.
The product of its (nonzero) digits is 896, while the sum is 21.
The square root of 20474202 is about 4524.8427596989. The cubic root of 20474202 is about 273.5703301758.
The spelling of 20474202 in words is "twenty million, four hundred seventy-four thousand, two hundred two".
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