Base | Representation |
---|---|
bin | 101000100101100… |
… | …111110111000000 |
3 | 1202110022220111000 |
4 | 220211213313000 |
5 | 2343310414412 |
6 | 151323052000 |
7 | 22605663363 |
oct | 5045476700 |
9 | 1673286430 |
10 | 680951232 |
11 | 31a419815 |
12 | 170071000 |
13 | ab0ccc30 |
14 | 6661a0da |
15 | 3ebad4dc |
hex | 28967dc0 |
680951232 has 112 divisors (see below), whose sum is σ = 2155931680. Its totient is φ = 209516544.
The previous prime is 680951213. The next prime is 680951237. The reversal of 680951232 is 232159086.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (680951237) 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, 7308 + ... + 37620.
It is an arithmetic number, because the mean of its divisors is an integer number (19249390).
Almost surely, 2680951232 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 680951232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1077965840).
680951232 is an abundant number, since it is smaller than the sum of its proper divisors (1474980448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680951232 is a wasteful number, since it uses less digits than its factorization.
680951232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30347 (or 30331 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 680951232 is about 26095.0422877603. The cubic root of 680951232 is about 879.7757830966.
The spelling of 680951232 in words is "six hundred eighty million, nine hundred fifty-one thousand, two hundred thirty-two".
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