Base | Representation |
---|---|
bin | 100101010011101… |
… | …101111011110000 |
3 | 1121121210022212201 |
4 | 211103231323300 |
5 | 2240214111442 |
6 | 142035432544 |
7 | 21340165525 |
oct | 4523557360 |
9 | 1547708781 |
10 | 625925872 |
11 | 2a1356410 |
12 | 155755754 |
13 | 9c8a5350 |
14 | 5d1b514c |
15 | 39e3e7b7 |
hex | 254edef0 |
625925872 has 40 divisors (see below), whose sum is σ = 1424752560. Its totient is φ = 262625280.
The previous prime is 625925869. The next prime is 625925897. The reversal of 625925872 is 278529526.
It is a super-4 number, since 4×6259258724 (a number of 36 digits) contains 4444 as substring.
It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134497 + ... + 139072.
It is an arithmetic number, because the mean of its divisors is an integer number (35618814).
Almost surely, 2625925872 is an apocalyptic number.
It is an amenable number.
625925872 is an abundant number, since it is smaller than the sum of its proper divisors (798826688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
625925872 is a wasteful number, since it uses less digits than its factorization.
625925872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 273601 (or 273595 counting only the distinct ones).
The product of its digits is 604800, while the sum is 46.
The square root of 625925872 is about 25018.5105871633. The cubic root of 625925872 is about 855.4099567254.
It can be divided in two parts, 6259 and 25872, that added together give a triangular number (32131 = T253).
The spelling of 625925872 in words is "six hundred twenty-five million, nine hundred twenty-five thousand, eight hundred seventy-two".
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