Base | Representation |
---|---|
bin | 110000101000000… |
… | …011000101111100 |
3 | 2002212002011210110 |
4 | 300220003011330 |
5 | 3132321223141 |
6 | 212541310020 |
7 | 26134140432 |
oct | 6050030574 |
9 | 2085064713 |
10 | 815804796 |
11 | 389556244 |
12 | 1a9265310 |
13 | 100027941 |
14 | 7a4c0d52 |
15 | 4b949e16 |
hex | 30a0317c |
815804796 has 24 divisors (see below), whose sum is σ = 1904031360. Its totient is φ = 271865392.
The previous prime is 815804791. The next prime is 815804827. The reversal of 815804796 is 697408518.
It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (815804791) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65545 + ... + 76991.
It is an arithmetic number, because the mean of its divisors is an integer number (79334640).
Almost surely, 2815804796 is an apocalyptic number.
It is an amenable number.
815804796 is an abundant number, since it is smaller than the sum of its proper divisors (1088226564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
815804796 is a wasteful number, since it uses less digits than its factorization.
815804796 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17393 (or 17391 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 48.
The square root of 815804796 is about 28562.2967563885. The cubic root of 815804796 is about 934.3912252467.
The spelling of 815804796 in words is "eight hundred fifteen million, eight hundred four thousand, seven hundred ninety-six".
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