Base | Representation |
---|---|
bin | 100111110110… |
… | …0101100100100 |
3 | 1110022110001112 |
4 | 1033230230210 |
5 | 20322024302 |
6 | 2023444152 |
7 | 342403640 |
oct | 117545444 |
9 | 43273045 |
10 | 20892452 |
11 | 1087a899 |
12 | 6bb6658 |
13 | 44366c9 |
14 | 2abbc20 |
15 | 1c7a552 |
hex | 13ecb24 |
20892452 has 24 divisors (see below), whose sum is σ = 42806400. Its totient is φ = 8735040.
The previous prime is 20892433. The next prime is 20892463. The reversal of 20892452 is 25429802.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7952 + ... + 10247.
It is an arithmetic number, because the mean of its divisors is an integer number (1783600).
Almost surely, 220892452 is an apocalyptic number.
It is an amenable number.
20892452 is an abundant number, since it is smaller than the sum of its proper divisors (21913948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20892452 is a wasteful number, since it uses less digits than its factorization.
20892452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18251 (or 18249 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 32.
The square root of 20892452 is about 4570.8261835252. The cubic root of 20892452 is about 275.4206323176.
The spelling of 20892452 in words is "twenty million, eight hundred ninety-two thousand, four hundred fifty-two".
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