Base | Representation |
---|---|
bin | 1010011001010010001000 |
3 | 12010102222221 |
4 | 22121102020 |
5 | 1144200000 |
6 | 134223424 |
7 | 32106415 |
oct | 12312210 |
9 | 5112887 |
10 | 2725000 |
11 | 15a1373 |
12 | ab4b74 |
13 | 745435 |
14 | 50d10c |
15 | 38c61a |
hex | 299488 |
2725000 has 48 divisors (see below), whose sum is σ = 6444900. Its totient is φ = 1080000.
The previous prime is 2724989. The next prime is 2725001. The reversal of 2725000 is 5272.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 171396 + 2553604 = 414^2 + 1598^2 .
It is not an unprimeable number, because it can be changed into a prime (2725001) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24946 + ... + 25054.
22725000 is an apocalyptic number.
2725000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2725000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3222450).
2725000 is an abundant number, since it is smaller than the sum of its proper divisors (3719900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2725000 is an equidigital number, since it uses as much as digits as its factorization.
2725000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140 (or 116 counting only the distinct ones).
The product of its (nonzero) digits is 140, while the sum is 16.
The square root of 2725000 is about 1650.7574019219. The cubic root of 2725000 is about 139.6761220624.
The spelling of 2725000 in words is "two million, seven hundred twenty-five thousand".
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