Base | Representation |
---|---|
bin | 100101010001110… |
… | …010011110110100 |
3 | 1121120211122020120 |
4 | 211101302132310 |
5 | 2240101421322 |
6 | 142020531540 |
7 | 21332661354 |
oct | 4521623664 |
9 | 1546748216 |
10 | 625420212 |
11 | 2a104050a |
12 | 155550bb0 |
13 | 9c759141 |
14 | 5d0c2b64 |
15 | 39d8ea5c |
hex | 254727b4 |
625420212 has 24 divisors (see below), whose sum is σ = 1459757376. Its totient is φ = 208410048.
The previous prime is 625420183. The next prime is 625420249. The reversal of 625420212 is 212024526.
It is a happy number.
625420212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50368 + ... + 61544.
It is an arithmetic number, because the mean of its divisors is an integer number (60823224).
Almost surely, 2625420212 is an apocalyptic number.
It is an amenable number.
625420212 is an abundant number, since it is smaller than the sum of its proper divisors (834337164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
625420212 is a wasteful number, since it uses less digits than its factorization.
625420212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15847 (or 15845 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 625420212 is about 25008.4028278497. The cubic root of 625420212 is about 855.1795443879.
Adding to 625420212 its reverse (212024526), we get a palindrome (837444738).
The spelling of 625420212 in words is "six hundred twenty-five million, four hundred twenty thousand, two hundred twelve".
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