Base | Representation |
---|---|
bin | 1001010001110111… |
… | …1000111010001111 |
3 | 20102120222222000100 |
4 | 2110131320322033 |
5 | 20100130110442 |
6 | 1051055502143 |
7 | 115503662655 |
oct | 22435707217 |
9 | 6376888010 |
10 | 2490863247 |
11 | 1069033474 |
12 | 596227953 |
13 | 3090807a2 |
14 | 198b52dd5 |
15 | e8a2384c |
hex | 94778e8f |
2490863247 has 24 divisors (see below), whose sum is σ = 3645439200. Its totient is φ = 1638786240.
The previous prime is 2490863189. The next prime is 2490863267. The reversal of 2490863247 is 7423680942.
2490863247 is a `hidden beast` number, since 2 + 4 + 9 + 0 + 8 + 632 + 4 + 7 = 666.
It is not a de Polignac number, because 2490863247 - 218 = 2490601103 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2490863267) 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, 204622 + ... + 216452.
It is an arithmetic number, because the mean of its divisors is an integer number (151893300).
Almost surely, 22490863247 is an apocalyptic number.
2490863247 is a deficient number, since it is larger than the sum of its proper divisors (1154575953).
2490863247 is a wasteful number, since it uses less digits than its factorization.
2490863247 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12143 (or 12140 counting only the distinct ones).
The product of its (nonzero) digits is 580608, while the sum is 45.
The square root of 2490863247 is about 49908.5488368476. The cubic root of 2490863247 is about 1355.5533924197.
The spelling of 2490863247 in words is "two billion, four hundred ninety million, eight hundred sixty-three thousand, two hundred forty-seven".
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