Base | Representation |
---|---|
bin | 101000100011110… |
… | …111111111111110 |
3 | 1202102110121222110 |
4 | 220203313333332 |
5 | 2343201234204 |
6 | 151305154450 |
7 | 22602044523 |
oct | 5043677776 |
9 | 1672417873 |
10 | 680493054 |
11 | 31a13655a |
12 | 16ba8ba26 |
13 | aac9c517 |
14 | 6653b14a |
15 | 3eb1c889 |
hex | 288f7ffe |
680493054 has 8 divisors (see below), whose sum is σ = 1360986120. Its totient is φ = 226831016.
The previous prime is 680493041. The next prime is 680493067. The reversal of 680493054 is 450394086.
It is an interprime number because it is at equal distance from previous prime (680493041) and next prime (680493067).
It is a sphenic number, since it is the product of 3 distinct primes.
680493054 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56707749 + ... + 56707760.
It is an arithmetic number, because the mean of its divisors is an integer number (170123265).
Almost surely, 2680493054 is an apocalyptic number.
680493054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680493054 is a wasteful number, since it uses less digits than its factorization.
680493054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113415514.
The product of its (nonzero) digits is 103680, while the sum is 39.
The square root of 680493054 is about 26086.2617866186. The cubic root of 680493054 is about 879.5784197951.
The spelling of 680493054 in words is "six hundred eighty million, four hundred ninety-three thousand, fifty-four".
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