Base | Representation |
---|---|
bin | 11010001110100… |
… | …01011000101001 |
3 | 120022222200000110 |
4 | 31013101120221 |
5 | 422310310100 |
6 | 33455324533 |
7 | 5311024434 |
oct | 1507213051 |
9 | 508880013 |
10 | 220010025 |
11 | 10320a874 |
12 | 61820749 |
13 | 36772161 |
14 | 2131081b |
15 | 144ad250 |
hex | d1d1629 |
220010025 has 48 divisors (see below), whose sum is σ = 385461440. Its totient is φ = 110419200.
The previous prime is 220009963. The next prime is 220010033. The reversal of 220010025 is 520010022.
It is not a de Polignac number, because 220010025 - 210 = 220009001 is a prime.
It is a super-2 number, since 2×2200100252 = 96808822201001250, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
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 47 ways as a sum of consecutive naturals, for example, 257499 + ... + 258351.
Almost surely, 2220010025 is an apocalyptic number.
220010025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
220010025 is a deficient number, since it is larger than the sum of its proper divisors (165451415).
220010025 is a wasteful number, since it uses less digits than its factorization.
220010025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1066 (or 1061 counting only the distinct ones).
The product of its (nonzero) digits is 40, while the sum is 12.
The square root of 220010025 is about 14832.7349130226. The cubic root of 220010025 is about 603.6902430901.
Adding to 220010025 its reverse (520010022), we get a palindrome (740020047).
The spelling of 220010025 in words is "two hundred twenty million, ten thousand, twenty-five".
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