Base | Representation |
---|---|
bin | 100111100110… |
… | …0111101110100 |
3 | 1110001211202220 |
4 | 1033030331310 |
5 | 20303344414 |
6 | 2021002340 |
7 | 341323011 |
oct | 117147564 |
9 | 43054686 |
10 | 20762484 |
11 | 107a1186 |
12 | 6b533b0 |
13 | 43bc4c2 |
14 | 2a86708 |
15 | 1c51ca9 |
hex | 13ccf74 |
20762484 has 12 divisors (see below), whose sum is σ = 48445824. Its totient is φ = 6920824.
The previous prime is 20762473. The next prime is 20762501. The reversal of 20762484 is 48426702.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
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, 865092 + ... + 865115.
It is an arithmetic number, because the mean of its divisors is an integer number (4037152).
Almost surely, 220762484 is an apocalyptic number.
It is an amenable number.
20762484 is an abundant number, since it is smaller than the sum of its proper divisors (27683340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20762484 is a wasteful number, since it uses less digits than its factorization.
20762484 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1730214 (or 1730212 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 33.
The square root of 20762484 is about 4556.5868805500. The cubic root of 20762484 is about 274.8483306911.
It can be divided in two parts, 2076 and 2484, that added together give a triangular number (4560 = T95).
The spelling of 20762484 in words is "twenty million, seven hundred sixty-two thousand, four hundred eighty-four".
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