Base | Representation |
---|---|
bin | 100101010010000… |
… | …001110011000001 |
3 | 1121120221211022000 |
4 | 211102001303001 |
5 | 2240110423240 |
6 | 142022134213 |
7 | 21333342303 |
oct | 4522016301 |
9 | 1546854260 |
10 | 625482945 |
11 | 2a108365a |
12 | 155581369 |
13 | 9c77b869 |
14 | 5d0db973 |
15 | 39da3430 |
hex | 25481cc1 |
625482945 has 128 divisors (see below), whose sum is σ = 1231718400. Its totient is φ = 300029184.
The previous prime is 625482943. The next prime is 625482961. The reversal of 625482945 is 549284526.
625482945 is a `hidden beast` number, since 62 + 548 + 2 + 9 + 45 = 666.
It is not a de Polignac number, because 625482945 - 21 = 625482943 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
Together with 606235455 it forms an amicable pair .
It is a self number, because there is not a number n which added to its sum of digits gives 625482945.
It is not an unprimeable number, because it can be changed into a prime (625482943) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5845582 + ... + 5845688.
It is an arithmetic number, because the mean of its divisors is an integer number (9622800).
Almost surely, 2625482945 is an apocalyptic number.
It is an amenable number.
625482945 is a deficient number, since it is larger than the sum of its proper divisors (606235455).
625482945 is a wasteful number, since it uses less digits than its factorization.
625482945 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 236 (or 230 counting only the distinct ones).
The product of its digits is 691200, while the sum is 45.
The square root of 625482945 is about 25009.6570348336. The cubic root of 625482945 is about 855.2081364628.
The spelling of 625482945 in words is "six hundred twenty-five million, four hundred eighty-two thousand, nine hundred forty-five".
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