Base | Representation |
---|---|
bin | 100110101000… |
… | …0011100100100 |
3 | 1102002221010211 |
4 | 1031100130210 |
5 | 20141034302 |
6 | 2002025204 |
7 | 334100023 |
oct | 115203444 |
9 | 42087124 |
10 | 20252452 |
11 | 10482a70 |
12 | 6948204 |
13 | 42712cc |
14 | 29928ba |
15 | 1ba0ad7 |
hex | 1350724 |
20252452 has 24 divisors (see below), whose sum is σ = 38892672. Its totient is φ = 9151200.
The previous prime is 20252447. The next prime is 20252459. The reversal of 20252452 is 25425202.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is not an unprimeable number, because it can be changed into a prime (20252459) 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, 6693 + ... + 9235.
It is an arithmetic number, because the mean of its divisors is an integer number (1620528).
Almost surely, 220252452 is an apocalyptic number.
20252452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
20252452 is a deficient number, since it is larger than the sum of its proper divisors (18640220).
20252452 is a wasteful number, since it uses less digits than its factorization.
20252452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2739 (or 2737 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 22.
The square root of 20252452 is about 4500.2724361976. The cubic root of 20252452 is about 272.5790899122.
Adding to 20252452 its reverse (25425202), we get a palindrome (45677654).
The spelling of 20252452 in words is "twenty million, two hundred fifty-two thousand, four hundred fifty-two".
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