Base | Representation |
---|---|
bin | 1110010101000… |
… | …10111110101001 |
3 | 22101012001120101 |
4 | 13022202332221 |
5 | 221233031400 |
6 | 15532225401 |
7 | 2656504360 |
oct | 712427651 |
9 | 271161511 |
10 | 120205225 |
11 | 61941a68 |
12 | 3430b261 |
13 | 1bb9946a |
14 | 11d707d7 |
15 | a84656a |
hex | 72a2fa9 |
120205225 has 24 divisors (see below), whose sum is σ = 171278720. Its totient is φ = 81976320.
The previous prime is 120205187. The next prime is 120205247. The reversal of 120205225 is 522502021.
It is not a de Polignac number, because 120205225 - 29 = 120204713 is a prime.
It is a super-2 number, since 2×1202052252 = 28898592234601250, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31996 + ... + 35554.
Almost surely, 2120205225 is an apocalyptic number.
It is an amenable number.
120205225 is a deficient number, since it is larger than the sum of its proper divisors (51073495).
120205225 is a wasteful number, since it uses less digits than its factorization.
120205225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3769 (or 3764 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 19.
The square root of 120205225 is about 10963.8143453818. The cubic root of 120205225 is about 493.5234371541.
Adding to 120205225 its reverse (522502021), we get a palindrome (642707246).
The spelling of 120205225 in words is "one hundred twenty million, two hundred five thousand, two hundred twenty-five".
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