Base | Representation |
---|---|
bin | 110000010010001… |
… | …100000000001101 |
3 | 2002110022000210101 |
4 | 300102030000031 |
5 | 3124334333000 |
6 | 212214411101 |
7 | 26034342100 |
oct | 6022140015 |
9 | 2073260711 |
10 | 810074125 |
11 | 3862a1753 |
12 | 1a7360a91 |
13 | cba9c403 |
14 | 7982c737 |
15 | 4b1b6e6a |
hex | 3048c00d |
810074125 has 24 divisors (see below), whose sum is σ = 1176038136. Its totient is φ = 555475200.
The previous prime is 810074117. The next prime is 810074141. The reversal of 810074125 is 521470018.
It can be written as a sum of positive squares in 4 ways, for example, as 2775556 + 807298569 = 1666^2 + 28413^2 .
It is not a de Polignac number, because 810074125 - 23 = 810074117 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 810074093 and 810074102.
It is a congruent number.
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, 60004 + ... + 72253.
It is an arithmetic number, because the mean of its divisors is an integer number (49001589).
Almost surely, 2810074125 is an apocalyptic number.
It is an amenable number.
810074125 is a deficient number, since it is larger than the sum of its proper divisors (365964011).
810074125 is a wasteful number, since it uses less digits than its factorization.
810074125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132286 (or 132269 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 28.
The square root of 810074125 is about 28461.8011552326. The cubic root of 810074125 is about 932.1981859323.
The spelling of 810074125 in words is "eight hundred ten million, seventy-four thousand, one hundred twenty-five".
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