Base | Representation |
---|---|
bin | 100110011001… |
… | …1100100010000 |
3 | 1101212220212122 |
4 | 1030303210100 |
5 | 20123243120 |
6 | 1555313412 |
7 | 333065114 |
oct | 114634420 |
9 | 41786778 |
10 | 20134160 |
11 | 10402102 |
12 | 68ab868 |
13 | 422c507 |
14 | 2961744 |
15 | 1b7aa25 |
hex | 1333910 |
20134160 has 20 divisors (see below), whose sum is σ = 46812108. Its totient is φ = 8053632.
The previous prime is 20134139. The next prime is 20134183. The reversal of 20134160 is 6143102.
It can be written as a sum of positive squares in 2 ways, for example, as 15241216 + 4892944 = 3904^2 + 2212^2 .
It is a tau number, because it is divible by the number of its divisors (20).
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, 125759 + ... + 125918.
Almost surely, 220134160 is an apocalyptic number.
20134160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20134160 is an abundant number, since it is smaller than the sum of its proper divisors (26677948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20134160 is a wasteful number, since it uses less digits than its factorization.
20134160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 251690 (or 251684 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 20134160 is about 4487.1104287726. The cubic root of 20134160 is about 272.0473533473.
Adding to 20134160 its reverse (6143102), we get a palindrome (26277262).
The spelling of 20134160 in words is "twenty million, one hundred thirty-four thousand, one hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •