Base | Representation |
---|---|
bin | 11111001100111… |
… | …000100101111001 |
3 | 1100111000002112011 |
4 | 133030320211321 |
5 | 2033002034400 |
6 | 123535445521 |
7 | 15654301114 |
oct | 3714704571 |
9 | 1314002464 |
10 | 523471225 |
11 | 249538752 |
12 | 1273868a1 |
13 | 845b24b4 |
14 | 4d74557b |
15 | 30e528ba |
hex | 1f338979 |
523471225 has 12 divisors (see below), whose sum is σ = 687287484. Its totient is φ = 394142720.
The previous prime is 523471219. The next prime is 523471229. The reversal of 523471225 is 522174325.
It can be written as a sum of positive squares in 6 ways, for example, as 32228329 + 491242896 = 5677^2 + 22164^2 .
It is not a de Polignac number, because 523471225 - 27 = 523471097 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (523471229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 615424 + ... + 616273.
It is an arithmetic number, because the mean of its divisors is an integer number (57273957).
Almost surely, 2523471225 is an apocalyptic number.
It is an amenable number.
523471225 is a deficient number, since it is larger than the sum of its proper divisors (163816259).
523471225 is a wasteful number, since it uses less digits than its factorization.
523471225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1231724 (or 1231719 counting only the distinct ones).
The product of its digits is 16800, while the sum is 31.
The square root of 523471225 is about 22879.4935477165. The cubic root of 523471225 is about 805.9305238261.
The spelling of 523471225 in words is "five hundred twenty-three million, four hundred seventy-one thousand, two hundred twenty-five".
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