Base | Representation |
---|---|
bin | 100101010010110… |
… | …010101010110000 |
3 | 1121121022222212220 |
4 | 211102302222300 |
5 | 2240133324440 |
6 | 142030321040 |
7 | 21335135016 |
oct | 4522625260 |
9 | 1547288786 |
10 | 625683120 |
11 | 2a11aaa97 |
12 | 155659180 |
13 | 9c81b9ca |
14 | 5d1508b6 |
15 | 39de28d0 |
hex | 254b2ab0 |
625683120 has 80 divisors (see below), whose sum is σ = 2006523360. Its totient is φ = 161093632.
The previous prime is 625683109. The next prime is 625683143. The reversal of 625683120 is 21386526.
It is a tau number, because it is divible by the number of its divisors (80).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37989 + ... + 51908.
It is an arithmetic number, because the mean of its divisors is an integer number (25081542).
Almost surely, 2625683120 is an apocalyptic number.
625683120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
625683120 is an abundant number, since it is smaller than the sum of its proper divisors (1380840240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
625683120 is a wasteful number, since it uses less digits than its factorization.
625683120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89942 (or 89936 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 33.
The square root of 625683120 is about 25013.6586688153. The cubic root of 625683120 is about 855.2993582571.
The spelling of 625683120 in words is "six hundred twenty-five million, six hundred eighty-three thousand, one hundred twenty".
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