Base | Representation |
---|---|
bin | 100110010100… |
… | …0000100001110 |
3 | 1101210112020222 |
4 | 1030220010032 |
5 | 20120241204 |
6 | 1554311342 |
7 | 332510561 |
oct | 114500416 |
9 | 41715228 |
10 | 20087054 |
11 | 1037a779 |
12 | 6888552 |
13 | 4213c40 |
14 | 294c4d8 |
15 | 1b6babe |
hex | 132810e |
20087054 has 16 divisors (see below), whose sum is σ = 32624592. Its totient is φ = 9220608.
The previous prime is 20087021. The next prime is 20087059. The reversal of 20087054 is 45078002.
It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20087059) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3017 + ... + 7019.
It is an arithmetic number, because the mean of its divisors is an integer number (2039037).
Almost surely, 220087054 is an apocalyptic number.
20087054 is a deficient number, since it is larger than the sum of its proper divisors (12537538).
20087054 is a wasteful number, since it uses less digits than its factorization.
20087054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4211.
The product of its (nonzero) digits is 2240, while the sum is 26.
The square root of 20087054 is about 4481.8583199383. The cubic root of 20087054 is about 271.8350264743.
The spelling of 20087054 in words is "twenty million, eighty-seven thousand, fifty-four".
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