Base | Representation |
---|---|
bin | 100110101000… |
… | …1000111100010 |
3 | 1102010001220200 |
4 | 1031101013202 |
5 | 20141131302 |
6 | 2002050030 |
7 | 334111032 |
oct | 115210742 |
9 | 42101820 |
10 | 20255202 |
11 | 10485040 |
12 | 6949916 |
13 | 4272636 |
14 | 29938c2 |
15 | 1ba181c |
hex | 13511e2 |
20255202 has 24 divisors (see below), whose sum is σ = 47876400. Its totient is φ = 6137880.
The previous prime is 20255201. The next prime is 20255227.
20255202 is nontrivially palindromic in base 10.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (20255201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50952 + ... + 51347.
It is an arithmetic number, because the mean of its divisors is an integer number (1994850).
Almost surely, 220255202 is an apocalyptic number.
20255202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
20255202 is an abundant number, since it is smaller than the sum of its proper divisors (27621198).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20255202 is a wasteful number, since it uses less digits than its factorization.
20255202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102318 (or 102315 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 18.
The square root of 20255202 is about 4500.5779628843. The cubic root of 20255202 is about 272.5914268310.
It can be divided in two parts, 2025 and 5202, that added together give a palindrome (7227).
The spelling of 20255202 in words is "twenty million, two hundred fifty-five thousand, two hundred two".
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