Base | Representation |
---|---|
bin | 100111100101… |
… | …0101000111111 |
3 | 1110001100201010 |
4 | 1033022220333 |
5 | 20303043314 |
6 | 2020450303 |
7 | 341253153 |
oct | 117125077 |
9 | 43040633 |
10 | 20752959 |
11 | 10795007 |
12 | 6b49993 |
13 | 43b8076 |
14 | 2a83063 |
15 | 1c4e059 |
hex | 13caa3f |
20752959 has 16 divisors (see below), whose sum is σ = 29223680. Its totient is φ = 13063680.
The previous prime is 20752957. The next prime is 20752973. The reversal of 20752959 is 95925702.
It is not a de Polignac number, because 20752959 - 21 = 20752957 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20752957) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32574 + ... + 33204.
It is an arithmetic number, because the mean of its divisors is an integer number (1826480).
Almost surely, 220752959 is an apocalyptic number.
20752959 is a deficient number, since it is larger than the sum of its proper divisors (8470721).
20752959 is a wasteful number, since it uses less digits than its factorization.
20752959 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1230.
The product of its (nonzero) digits is 56700, while the sum is 39.
The square root of 20752959 is about 4555.5415704392. The cubic root of 20752959 is about 274.8062944430.
The spelling of 20752959 in words is "twenty million, seven hundred fifty-two thousand, nine hundred fifty-nine".
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