Base | Representation |
---|---|
bin | 100111000001… |
… | …1010010110110 |
3 | 1102111111211200 |
4 | 1032003102312 |
5 | 20214220401 |
6 | 2010313330 |
7 | 335625156 |
oct | 116032266 |
9 | 42444750 |
10 | 20460726 |
11 | 106054a0 |
12 | 6a28846 |
13 | 4315050 |
14 | 2a08766 |
15 | 1be2686 |
hex | 13834b6 |
20460726 has 48 divisors (see below), whose sum is σ = 52088400. Its totient is φ = 5722560.
The previous prime is 20460721. The next prime is 20460743. The reversal of 20460726 is 62706402.
It is a self number, because there is not a number n which added to its sum of digits gives 20460726.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20460721) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1401 + ... + 6548.
It is an arithmetic number, because the mean of its divisors is an integer number (1085175).
Almost surely, 220460726 is an apocalyptic number.
20460726 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
20460726 is an abundant number, since it is smaller than the sum of its proper divisors (31627674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20460726 is a wasteful number, since it uses less digits than its factorization.
20460726 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7981 (or 7978 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 27.
The square root of 20460726 is about 4523.3534020680. The cubic root of 20460726 is about 273.5102962055.
The spelling of 20460726 in words is "twenty million, four hundred sixty thousand, seven hundred twenty-six".
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