Base | Representation |
---|---|
bin | 110000100110000… |
… | …110011011000110 |
3 | 2002211010020022122 |
4 | 300212012123012 |
5 | 3132203403100 |
6 | 212522325542 |
7 | 26126612606 |
oct | 6046063306 |
9 | 2084106278 |
10 | 815294150 |
11 | 389237620 |
12 | 1a90598b2 |
13 | ccba9398 |
14 | 7a3cac06 |
15 | 4b898985 |
hex | 309866c6 |
815294150 has 48 divisors (see below), whose sum is σ = 1657393920. Its totient is φ = 295917600.
The previous prime is 815294113. The next prime is 815294171. The reversal of 815294150 is 51492518.
It is a self number, because there is not a number n which added to its sum of digits gives 815294150.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 398831 + ... + 400869.
It is an arithmetic number, because the mean of its divisors is an integer number (34529040).
Almost surely, 2815294150 is an apocalyptic number.
815294150 is an abundant number, since it is smaller than the sum of its proper divisors (842099770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
815294150 is a wasteful number, since it uses less digits than its factorization.
815294150 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2789 (or 2784 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 35.
The square root of 815294150 is about 28553.3561950255. The cubic root of 815294150 is about 934.1962265030.
The spelling of 815294150 in words is "eight hundred fifteen million, two hundred ninety-four thousand, one hundred fifty".
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