Base | Representation |
---|---|
bin | 101001001111… |
… | …110110011001 |
3 | 202100100102000 |
4 | 221033312121 |
5 | 10232002300 |
6 | 1023431213 |
7 | 160623162 |
oct | 51176631 |
9 | 22310360 |
10 | 10812825 |
11 | 6115921 |
12 | 3755509 |
13 | 231782a |
14 | 1616769 |
15 | e38c00 |
hex | a4fd99 |
10812825 has 48 divisors (see below), whose sum is σ = 20207040. Its totient is φ = 5667840.
The previous prime is 10812821. The next prime is 10812827. The reversal of 10812825 is 52821801.
It is not a de Polignac number, because 10812825 - 22 = 10812821 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10812821) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55929 + ... + 56121.
It is an arithmetic number, because the mean of its divisors is an integer number (420980).
Almost surely, 210812825 is an apocalyptic number.
10812825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10812825 is a deficient number, since it is larger than the sum of its proper divisors (9394215).
10812825 is a wasteful number, since it uses less digits than its factorization.
With its predecessor (10812824) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (284).
10812825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 295 (or 284 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 27.
The square root of 10812825 is about 3288.2860277050. The cubic root of 10812825 is about 221.1293510556.
The spelling of 10812825 in words is "ten million, eight hundred twelve thousand, eight hundred twenty-five".
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