Base | Representation |
---|---|
bin | 10100110000001110110 |
3 | 1021112212012 |
4 | 2212001312 |
5 | 133230204 |
6 | 22324222 |
7 | 5531444 |
oct | 2460166 |
9 | 1245765 |
10 | 680054 |
11 | 424a31 |
12 | 289672 |
13 | 1aa6cb |
14 | 139b94 |
15 | d676e |
hex | a6076 |
680054 has 4 divisors (see below), whose sum is σ = 1020084. Its totient is φ = 340026.
The previous prime is 680039. The next prime is 680059. The reversal of 680054 is 450086.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (680059) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170012 + ... + 170015.
It is an arithmetic number, because the mean of its divisors is an integer number (255021).
2680054 is an apocalyptic number.
680054 is a deficient number, since it is larger than the sum of its proper divisors (340030).
680054 is a wasteful number, since it uses less digits than its factorization.
680054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 340029.
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 680054 is about 824.6538667829. The cubic root of 680054 is about 87.9389211149.
The spelling of 680054 in words is "six hundred eighty thousand, fifty-four".
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