Base | Representation |
---|---|
bin | 100110011011… |
… | …1111011110101 |
3 | 1101220211102100 |
4 | 1030313323311 |
5 | 20124331203 |
6 | 1555532313 |
7 | 333201225 |
oct | 114677365 |
9 | 41824370 |
10 | 20152053 |
11 | 10414599 |
12 | 68ba099 |
13 | 42376bc |
14 | 2968085 |
15 | 1b80ea3 |
hex | 1337ef5 |
20152053 has 12 divisors (see below), whose sum is σ = 29392480. Its totient is φ = 13303656.
The previous prime is 20152051. The next prime is 20152063. The reversal of 20152053 is 35025102.
It is a happy number.
It is not a de Polignac number, because 20152053 - 21 = 20152051 is a prime.
It is a super-2 number, since 2×201520532 = 812210480229618, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20152051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9943 + ... + 11796.
Almost surely, 220152053 is an apocalyptic number.
It is an amenable number.
20152053 is a deficient number, since it is larger than the sum of its proper divisors (9240427).
20152053 is a wasteful number, since it uses less digits than its factorization.
20152053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21848 (or 21845 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 20152053 is about 4489.1038081114. The cubic root of 20152053 is about 272.1279179539.
Adding to 20152053 its reverse (35025102), we get a palindrome (55177155).
The spelling of 20152053 in words is "twenty million, one hundred fifty-two thousand, fifty-three".
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