Base | Representation |
---|---|
bin | 11100010100011… |
… | …110010111000101 |
3 | 1020010001001211221 |
4 | 130110132113011 |
5 | 1433113114120 |
6 | 115051400341 |
7 | 14526350401 |
oct | 3424362705 |
9 | 1203031757 |
10 | 475129285 |
11 | 22421a734 |
12 | 1131530b1 |
13 | 775879b7 |
14 | 47160101 |
15 | 2baa40aa |
hex | 1c51e5c5 |
475129285 has 12 divisors (see below), whose sum is σ = 596025612. Its totient is φ = 363575168.
The previous prime is 475129283. The next prime is 475129307. The reversal of 475129285 is 582921574.
It can be written as a sum of positive squares in 2 ways, for example, as 144144036 + 330985249 = 12006^2 + 18193^2 .
It is not a de Polignac number, because 475129285 - 21 = 475129283 is a prime.
It is a super-2 number, since 2×4751292852 = 451495674929222450, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (475129283) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87172 + ... + 92461.
It is an arithmetic number, because the mean of its divisors is an integer number (49668801).
Almost surely, 2475129285 is an apocalyptic number.
It is an amenable number.
475129285 is a deficient number, since it is larger than the sum of its proper divisors (120896327).
475129285 is a wasteful number, since it uses less digits than its factorization.
475129285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 179684 (or 179661 counting only the distinct ones).
The product of its digits is 201600, while the sum is 43.
The square root of 475129285 is about 21797.4605172254. The cubic root of 475129285 is about 780.3161577208.
The spelling of 475129285 in words is "four hundred seventy-five million, one hundred twenty-nine thousand, two hundred eighty-five".
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