Base | Representation |
---|---|
bin | 100111001111… |
… | …1011100010111 |
3 | 1102201100222221 |
4 | 1032133130113 |
5 | 20231413043 |
6 | 2013003211 |
7 | 336615256 |
oct | 116373427 |
9 | 42640887 |
10 | 20576023 |
11 | 10684086 |
12 | 6a83507 |
13 | 4355680 |
14 | 2a3879d |
15 | 1c168ed |
hex | 139f717 |
20576023 has 8 divisors (see below), whose sum is σ = 22379616. Its totient is φ = 18804000.
The previous prime is 20576011. The next prime is 20576027. The reversal of 20576023 is 32067502.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20576023 - 25 = 20575991 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 (20576027) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6523 + ... + 9148.
It is an arithmetic number, because the mean of its divisors is an integer number (2797452).
Almost surely, 220576023 is an apocalyptic number.
20576023 is a deficient number, since it is larger than the sum of its proper divisors (1803593).
20576023 is a wasteful number, since it uses less digits than its factorization.
20576023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15785.
The product of its (nonzero) digits is 2520, while the sum is 25.
The square root of 20576023 is about 4536.0801359764. The cubic root of 20576023 is about 274.0230813312.
The spelling of 20576023 in words is "twenty million, five hundred seventy-six thousand, twenty-three".
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