Base | Representation |
---|---|
bin | 100110100100… |
… | …1101111110010 |
3 | 1102001112111110 |
4 | 1031021233302 |
5 | 20134200020 |
6 | 2001254150 |
7 | 333624021 |
oct | 115115762 |
9 | 42045443 |
10 | 20225010 |
11 | 10464393 |
12 | 6934356 |
13 | 4261980 |
14 | 29868b8 |
15 | 1b978e0 |
hex | 1349bf2 |
20225010 has 32 divisors (see below), whose sum is σ = 52274880. Its totient is φ = 4978368.
The previous prime is 20224999. The next prime is 20225011. The reversal of 20225010 is 1052202.
It is not an unprimeable number, because it can be changed into a prime (20225011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25540 + ... + 26319.
It is an arithmetic number, because the mean of its divisors is an integer number (1633590).
Almost surely, 220225010 is an apocalyptic number.
20225010 is an abundant number, since it is smaller than the sum of its proper divisors (32049870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20225010 is a wasteful number, since it uses less digits than its factorization.
20225010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51882.
The product of its (nonzero) digits is 40, while the sum is 12.
The square root of 20225010 is about 4497.2224761513. Note that the first 3 decimals coincide. The cubic root of 20225010 is about 272.4559196998.
Adding to 20225010 its reverse (1052202), we get a palindrome (21277212).
The spelling of 20225010 in words is "twenty million, two hundred twenty-five thousand, ten".
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