Base | Representation |
---|---|
bin | 1111100111111… |
… | …01100111010001 |
3 | 100010121122120111 |
4 | 13303331213101 |
5 | 232022442400 |
6 | 21001041321 |
7 | 3151003420 |
oct | 763754721 |
9 | 303548514 |
10 | 131062225 |
11 | 67a87a98 |
12 | 37a86241 |
13 | 211cb118 |
14 | 135992b7 |
15 | b78d3ba |
hex | 7cfd9d1 |
131062225 has 24 divisors (see below), whose sum is σ = 187184448. Its totient is φ = 89169600.
The previous prime is 131062219. The next prime is 131062249. The reversal of 131062225 is 522260131.
It is not a de Polignac number, because 131062225 - 27 = 131062097 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131062196 and 131062205.
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, 20067 + ... + 25783.
It is an arithmetic number, because the mean of its divisors is an integer number (7799352).
Almost surely, 2131062225 is an apocalyptic number.
It is an amenable number.
131062225 is a deficient number, since it is larger than the sum of its proper divisors (56122223).
131062225 is a wasteful number, since it uses less digits than its factorization.
131062225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5865 (or 5860 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 131062225 is about 11448.2411312830. The cubic root of 131062225 is about 507.9557086749.
The spelling of 131062225 in words is "one hundred thirty-one million, sixty-two thousand, two hundred twenty-five".
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