Base | Representation |
---|---|
bin | 1001100110001010101001 |
3 | 11201210210022 |
4 | 21212022221 |
5 | 1121000000 |
6 | 125530225 |
7 | 30245120 |
oct | 11461251 |
9 | 4653708 |
10 | 2515625 |
11 | 1469032 |
12 | a13975 |
13 | 6a1048 |
14 | 496ab7 |
15 | 34a585 |
hex | 2662a9 |
2515625 has 28 divisors (see below), whose sum is σ = 3749952. Its totient is φ = 1650000.
The previous prime is 2515621. The next prime is 2515627. The reversal of 2515625 is 5265152.
It is not a de Polignac number, because 2515625 - 22 = 2515621 is a prime.
It is a Duffinian number.
Its product of digits (3000) is a multiple of the sum of its prime factors (60).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2515594 and 2515603.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2515621) by changing a digit.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 109364 + ... + 109386.
22515625 is an apocalyptic number.
2515625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2515625 is a deficient number, since it is larger than the sum of its proper divisors (1234327).
2515625 is an frugal number, since it uses more digits than its factorization.
2515625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60 (or 35 counting only the distinct ones).
The product of its digits is 3000, while the sum is 26.
The square root of 2515625 is about 1586.0721925562. The cubic root of 2515625 is about 136.0030456354.
It can be divided in two parts, 25 and 15625, that multiplied together give a 8-th power (390625 = 58).
The spelling of 2515625 in words is "two million, five hundred fifteen thousand, six hundred twenty-five".
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