Base | Representation |
---|---|
bin | 1001101001110010001000 |
3 | 11202120010000 |
4 | 21221302020 |
5 | 1121433230 |
6 | 130123000 |
7 | 30336243 |
oct | 11516210 |
9 | 4676100 |
10 | 2530440 |
11 | 1479180 |
12 | a20460 |
13 | 6a7a03 |
14 | 49c25a |
15 | 34eb60 |
hex | 269c88 |
2530440 has 160 divisors (see below), whose sum is σ = 9408960. Its totient is φ = 604800.
The previous prime is 2530427. The next prime is 2530441. The reversal of 2530440 is 440352.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (2530441) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35605 + ... + 35675.
It is an arithmetic number, because the mean of its divisors is an integer number (58806).
22530440 is an apocalyptic number.
2530440 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 2530440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4704480).
2530440 is an abundant number, since it is smaller than the sum of its proper divisors (6878520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2530440 is a wasteful number, since it uses less digits than its factorization.
2530440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105 (or 92 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 18.
The square root of 2530440 is about 1590.7356788606. The cubic root of 2530440 is about 136.2695059468.
Adding to 2530440 its reverse (440352), we get a palindrome (2970792).
The spelling of 2530440 in words is "two million, five hundred thirty thousand, four hundred forty".
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