Base | Representation |
---|---|
bin | 1001010001100111… |
… | …0001011001110101 |
3 | 20102111222010110110 |
4 | 2110121301121311 |
5 | 20044341041200 |
6 | 1051020413233 |
7 | 115461546156 |
oct | 22431613165 |
9 | 6374863413 |
10 | 2489783925 |
11 | 1068466572 |
12 | 5959a7219 |
13 | 308a93435 |
14 | 19895192d |
15 | e88adb50 |
hex | 94671675 |
2489783925 has 24 divisors (see below), whose sum is σ = 4295421504. Its totient is φ = 1270149760.
The previous prime is 2489783911. The next prime is 2489783927. The reversal of 2489783925 is 5293879842.
It is a happy number.
2489783925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2489783925 - 26 = 2489783861 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2489783927) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 719952 + ... + 723401.
It is an arithmetic number, because the mean of its divisors is an integer number (178975896).
Almost surely, 22489783925 is an apocalyptic number.
2489783925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2489783925 is a deficient number, since it is larger than the sum of its proper divisors (1805637579).
2489783925 is a wasteful number, since it uses less digits than its factorization.
2489783925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1443389 (or 1443384 counting only the distinct ones).
The product of its digits is 8709120, while the sum is 57.
The square root of 2489783925 is about 49897.7346680187. The cubic root of 2489783925 is about 1355.3575714227.
The spelling of 2489783925 in words is "two billion, four hundred eighty-nine million, seven hundred eighty-three thousand, nine hundred twenty-five".
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