Base | Representation |
---|---|
bin | 110000011101000… |
… | …001001001100000 |
3 | 2002122122021100002 |
4 | 300131001021200 |
5 | 3131101210443 |
6 | 212355315132 |
7 | 26100435320 |
oct | 6035011140 |
9 | 2078567302 |
10 | 812913248 |
11 | 387960834 |
12 | 1a82abaa8 |
13 | cc554774 |
14 | 79d6b280 |
15 | 4b5782b8 |
hex | 30741260 |
812913248 has 96 divisors (see below), whose sum is σ = 1902071808. Its totient is φ = 334656000.
The previous prime is 812913247. The next prime is 812913263. The reversal of 812913248 is 842319218.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (812913247) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1159298 + ... + 1159998.
It is an arithmetic number, because the mean of its divisors is an integer number (19813248).
Almost surely, 2812913248 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 812913248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (951035904).
812913248 is an abundant number, since it is smaller than the sum of its proper divisors (1089158560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
812913248 is a wasteful number, since it uses less digits than its factorization.
812913248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 916 (or 908 counting only the distinct ones).
The product of its digits is 27648, while the sum is 38.
The square root of 812913248 is about 28511.6335554454. The cubic root of 812913248 is about 933.2859626751.
The spelling of 812913248 in words is "eight hundred twelve million, nine hundred thirteen thousand, two hundred forty-eight".
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