Base | Representation |
---|---|
bin | 100110011101… |
… | …1000110100000 |
3 | 1101221111012202 |
4 | 1030323012200 |
5 | 20130240044 |
6 | 2000112332 |
7 | 333254105 |
oct | 114730640 |
9 | 41844182 |
10 | 20165024 |
11 | 10423310 |
12 | 69056a8 |
13 | 4240589 |
14 | 296caac |
15 | 1b84c4e |
hex | 133b1a0 |
20165024 has 24 divisors (see below), whose sum is σ = 43309728. Its totient is φ = 9165760.
The previous prime is 20165017. The next prime is 20165027. The reversal of 20165024 is 42056102.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 20164987 and 20165005.
It is not an unprimeable number, because it can be changed into a prime (20165027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28292 + ... + 28995.
It is an arithmetic number, because the mean of its divisors is an integer number (1804572).
Almost surely, 220165024 is an apocalyptic number.
It is an amenable number.
20165024 is an abundant number, since it is smaller than the sum of its proper divisors (23144704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20165024 is a wasteful number, since it uses less digits than its factorization.
20165024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57308 (or 57300 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 20165024 is about 4490.5482961438. The cubic root of 20165024 is about 272.1862910664.
The spelling of 20165024 in words is "twenty million, one hundred sixty-five thousand, twenty-four".
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