Base | Representation |
---|---|
bin | 1001100101010100001100 |
3 | 11201122000020 |
4 | 21211110030 |
5 | 1120342030 |
6 | 125502140 |
7 | 30232011 |
oct | 11452414 |
9 | 4648006 |
10 | 2512140 |
11 | 1466454 |
12 | a11950 |
13 | 69c597 |
14 | 495708 |
15 | 349510 |
hex | 26550c |
2512140 has 48 divisors (see below), whose sum is σ = 7106400. Its totient is φ = 663040.
The previous prime is 2512127. The next prime is 2512171. The reversal of 2512140 is 412152.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8800 + ... + 9080.
It is an arithmetic number, because the mean of its divisors is an integer number (148050).
22512140 is an apocalyptic number.
2512140 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 2512140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3553200).
2512140 is an abundant number, since it is smaller than the sum of its proper divisors (4594260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2512140 is a wasteful number, since it uses less digits than its factorization.
2512140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 442 (or 440 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 15.
The square root of 2512140 is about 1584.9731858931. The cubic root of 2512140 is about 135.9402130519.
Adding to 2512140 its reverse (412152), we get a palindrome (2924292).
The spelling of 2512140 in words is "two million, five hundred twelve thousand, one hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •