Base | Representation |
---|---|
bin | 100101010100111… |
… | …101001110000001 |
3 | 1121122101211100121 |
4 | 211110331032001 |
5 | 2240310010000 |
6 | 142050420241 |
7 | 21343020400 |
oct | 4524751601 |
9 | 1548354317 |
10 | 626250625 |
11 | 2a1558400 |
12 | 155891681 |
13 | 9c98a100 |
14 | 5d25b637 |
15 | 39ea5b1a |
hex | 2553d381 |
626250625 has 135 divisors (see below), whose sum is σ = 1083499263. Its totient is φ = 360360000.
The previous prime is 626250619. The next prime is 626250629. The reversal of 626250625 is 526052626.
The square root of 626250625 is 25025.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 7 ways, for example, as 618566641 + 7683984 = 24871^2 + 2772^2 .
It is not a de Polignac number, because 626250625 - 213 = 626242433 is a prime.
It is not an unprimeable number, because it can be changed into a prime (626250629) by changing a digit.
It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 48173119 + ... + 48173131.
Almost surely, 2626250625 is an apocalyptic number.
626250625 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
626250625 is the 25025-th square number.
626250625 is the 12513-rd centered octagonal number.
It is an amenable number.
626250625 is a deficient number, since it is larger than the sum of its proper divisors (457248638).
626250625 is a wasteful number, since it uses less digits than its factorization.
626250625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82 (or 36 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 34.
The cubic root of 626250625 is about 855.5578703641.
The spelling of 626250625 in words is "six hundred twenty-six million, two hundred fifty thousand, six hundred twenty-five".
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