Base | Representation |
---|---|
bin | 100110011111… |
… | …1010010010010 |
3 | 1101222100201111 |
4 | 1030333102102 |
5 | 20131312122 |
6 | 2000323534 |
7 | 333355060 |
oct | 114772222 |
9 | 41870644 |
10 | 20182162 |
11 | 10435180 |
12 | 69135aa |
13 | 4248310 |
14 | 2975030 |
15 | 1b89d77 |
hex | 133f492 |
20182162 has 64 divisors (see below), whose sum is σ = 43110144. Its totient is φ = 6819840.
The previous prime is 20182121. The next prime is 20182163. The reversal of 20182162 is 26128102.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is not an unprimeable number, because it can be changed into a prime (20182163) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 33738 + ... + 34330.
It is an arithmetic number, because the mean of its divisors is an integer number (673596).
Almost surely, 220182162 is an apocalyptic number.
20182162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
20182162 is an abundant number, since it is smaller than the sum of its proper divisors (22927982).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20182162 is a wasteful number, since it uses less digits than its factorization.
20182162 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 643.
The product of its (nonzero) digits is 384, while the sum is 22.
The square root of 20182162 is about 4492.4561210990. The cubic root of 20182162 is about 272.2633784659.
The spelling of 20182162 in words is "twenty million, one hundred eighty-two thousand, one hundred sixty-two".
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