Base | Representation |
---|---|
bin | 1001011101000111… |
… | …1110100110011010 |
3 | 20112212211102220020 |
4 | 2113101332212122 |
5 | 20144221304344 |
6 | 1055503411310 |
7 | 116616155130 |
oct | 22721764632 |
9 | 6485742806 |
10 | 2538072474 |
11 | 1092748463 |
12 | 5a9bb3b36 |
13 | 315a9c842 |
14 | 1a1121750 |
15 | ecc4b719 |
hex | 9747e99a |
2538072474 has 64 divisors (see below), whose sum is σ = 5939675136. Its totient is φ = 707946624.
The previous prime is 2538072473. The next prime is 2538072479. The reversal of 2538072474 is 4742708352.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (2538072473) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 912574 + ... + 915350.
It is an arithmetic number, because the mean of its divisors is an integer number (92807424).
Almost surely, 22538072474 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2538072474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2969837568).
2538072474 is an abundant number, since it is smaller than the sum of its proper divisors (3401602662).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2538072474 is a wasteful number, since it uses less digits than its factorization.
2538072474 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3299.
The product of its (nonzero) digits is 376320, while the sum is 42.
The square root of 2538072474 is about 50379.2861600877. The cubic root of 2538072474 is about 1364.0637667520.
The spelling of 2538072474 in words is "two billion, five hundred thirty-eight million, seventy-two thousand, four hundred seventy-four".
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