Base | Representation |
---|---|
bin | 100101010001010… |
… | …101110111000100 |
3 | 1121120121200102122 |
4 | 211101111313010 |
5 | 2240034143410 |
6 | 142014225112 |
7 | 21331662521 |
oct | 4521256704 |
9 | 1546550378 |
10 | 625302980 |
11 | 2a0a70425 |
12 | 1554b5198 |
13 | 9c717983 |
14 | 5d092148 |
15 | 39d69e55 |
hex | 25455dc4 |
625302980 has 24 divisors (see below), whose sum is σ = 1314837888. Its totient is φ = 249797088.
The previous prime is 625302973. The next prime is 625302983. The reversal of 625302980 is 89203526.
It is a self number, because there is not a number n which added to its sum of digits gives 625302980.
It is not an unprimeable number, because it can be changed into a prime (625302983) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4124 + ... + 35603.
It is an arithmetic number, because the mean of its divisors is an integer number (54784912).
Almost surely, 2625302980 is an apocalyptic number.
It is an amenable number.
625302980 is an abundant number, since it is smaller than the sum of its proper divisors (689534908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
625302980 is a wasteful number, since it uses less digits than its factorization.
625302980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40523 (or 40521 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 35.
The square root of 625302980 is about 25006.0588658029. The cubic root of 625302980 is about 855.1261079563.
The spelling of 625302980 in words is "six hundred twenty-five million, three hundred two thousand, nine hundred eighty".
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