Base | Representation |
---|---|
bin | 1001010001110001… |
… | …0010010001111000 |
3 | 20102120012121100220 |
4 | 2110130102101320 |
5 | 20100023132442 |
6 | 1051042500040 |
7 | 115500262251 |
oct | 22434222170 |
9 | 6376177326 |
10 | 2490442872 |
11 | 1068876655 |
12 | 596064620 |
13 | 308c64348 |
14 | 198a83b28 |
15 | e898deec |
hex | 94712478 |
2490442872 has 32 divisors (see below), whose sum is σ = 6228576000. Its totient is φ = 829818464.
The previous prime is 2490442853. The next prime is 2490442873. The reversal of 2490442872 is 2782440942.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2490442873) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45553 + ... + 83999.
It is an arithmetic number, because the mean of its divisors is an integer number (194643000).
Almost surely, 22490442872 is an apocalyptic number.
It is an amenable number.
2490442872 is an abundant number, since it is smaller than the sum of its proper divisors (3738133128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2490442872 is a wasteful number, since it uses less digits than its factorization.
2490442872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41155 (or 41151 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 42.
The square root of 2490442872 is about 49904.3372062990. The cubic root of 2490442872 is about 1355.4771306635.
It can be divided in two parts, 24904 and 42872, that added together give a palindrome (67776).
The spelling of 2490442872 in words is "two billion, four hundred ninety million, four hundred forty-two thousand, eight hundred seventy-two".
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