Base | Representation |
---|---|
bin | 100110001100… |
… | …0111100001110 |
3 | 1101200101021110 |
4 | 1030120330032 |
5 | 20111300402 |
6 | 1553112450 |
7 | 332132136 |
oct | 114307416 |
9 | 41611243 |
10 | 20025102 |
11 | 10338179 |
12 | 6858726 |
13 | 41c1996 |
14 | 2933ac6 |
15 | 1b5856c |
hex | 1318f0e |
20025102 has 16 divisors (see below), whose sum is σ = 40902912. Its totient is φ = 6532920.
The previous prime is 20025079. The next prime is 20025119. The reversal of 20025102 is 20152002.
It is a super-2 number, since 2×200251022 = 802009420220808, which contains 22 as substring.
It is a congruent number.
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, 35224 + ... + 35787.
It is an arithmetic number, because the mean of its divisors is an integer number (2556432).
Almost surely, 220025102 is an apocalyptic number.
20025102 is an abundant number, since it is smaller than the sum of its proper divisors (20877810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20025102 is a wasteful number, since it uses less digits than its factorization.
20025102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71063.
The product of its (nonzero) digits is 40, while the sum is 12.
The square root of 20025102 is about 4474.9415638643. The cubic root of 20025102 is about 271.5552763670. Note that the first 3 decimals are identical.
Adding to 20025102 its reverse (20152002), we get a palindrome (40177104).
The spelling of 20025102 in words is "twenty million, twenty-five thousand, one hundred two".
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