Base | Representation |
---|---|
bin | 1001000101011001… |
… | …0110000010101000 |
3 | 20021221120100220020 |
4 | 2101112112002220 |
5 | 14443232210033 |
6 | 1041550400440 |
7 | 114300236130 |
oct | 22126260250 |
9 | 6257510806 |
10 | 2438553768 |
11 | 10415555a2 |
12 | 580800120 |
13 | 2cb297131 |
14 | 191c17ac0 |
15 | e413e6b3 |
hex | 915960a8 |
2438553768 has 64 divisors (see below), whose sum is σ = 6997311360. Its totient is φ = 693728256.
The previous prime is 2438553749. The next prime is 2438553773. The reversal of 2438553768 is 8673558342.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 2438553768.
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, 7996 + ... + 70292.
It is an arithmetic number, because the mean of its divisors is an integer number (109332990).
Almost surely, 22438553768 is an apocalyptic number.
2438553768 is a gapful number since it is divisible by the number (28) 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 2438553768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3498655680).
2438553768 is an abundant number, since it is smaller than the sum of its proper divisors (4558757592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2438553768 is a wasteful number, since it uses less digits than its factorization.
2438553768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62546 (or 62542 counting only the distinct ones).
The product of its digits is 4838400, while the sum is 51.
The square root of 2438553768 is about 49381.7149155434. The cubic root of 2438553768 is about 1345.9970620791.
The spelling of 2438553768 in words is "two billion, four hundred thirty-eight million, five hundred fifty-three thousand, seven hundred sixty-eight".
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