Base | Representation |
---|---|
bin | 100110011010… |
… | …0011101001010 |
3 | 1101220002212112 |
4 | 1030310131022 |
5 | 20123402202 |
6 | 1555342322 |
7 | 333111536 |
oct | 114643512 |
9 | 41802775 |
10 | 20137802 |
11 | 10404913 |
12 | 68b19a2 |
13 | 4231079 |
14 | 2962bc6 |
15 | 1b7bb52 |
hex | 133474a |
20137802 has 8 divisors (see below), whose sum is σ = 30339300. Its totient is φ = 10024704.
The previous prime is 20137787. The next prime is 20137823. The reversal of 20137802 is 20873102.
It can be written as a sum of positive squares in 2 ways, for example, as 17799961 + 2337841 = 4219^2 + 1529^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21527 + ... + 22442.
Almost surely, 220137802 is an apocalyptic number.
20137802 is a deficient number, since it is larger than the sum of its proper divisors (10201498).
20137802 is a wasteful number, since it uses less digits than its factorization.
20137802 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44200.
The product of its (nonzero) digits is 672, while the sum is 23.
The square root of 20137802 is about 4487.5162395249. The cubic root of 20137802 is about 272.0637555998.
The spelling of 20137802 in words is "twenty million, one hundred thirty-seven thousand, eight hundred two".
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