Base | Representation |
---|---|
bin | 100111010001… |
… | …1011100010001 |
3 | 1102202012110112 |
4 | 1032203130101 |
5 | 20232424101 |
6 | 2013211105 |
7 | 340014104 |
oct | 116433421 |
9 | 42665415 |
10 | 20592401 |
11 | 10695415 |
12 | 6a90a95 |
13 | 435cc6b |
14 | 2a4073b |
15 | 1c1b6bb |
hex | 13a3711 |
20592401 has 4 divisors (see below), whose sum is σ = 21256704. Its totient is φ = 19928100.
The previous prime is 20592391. The next prime is 20592413. The reversal of 20592401 is 10429502.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 20592401 - 210 = 20591377 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20592431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332105 + ... + 332166.
It is an arithmetic number, because the mean of its divisors is an integer number (5314176).
Almost surely, 220592401 is an apocalyptic number.
It is an amenable number.
20592401 is a deficient number, since it is larger than the sum of its proper divisors (664303).
20592401 is an equidigital number, since it uses as much as digits as its factorization.
20592401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 664302.
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 20592401 is about 4537.8850800786. The cubic root of 20592401 is about 274.0957672237.
The spelling of 20592401 in words is "twenty million, five hundred ninety-two thousand, four hundred one".
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