Base | Representation |
---|---|
bin | 1000000000100100… |
… | …1000001100110010 |
3 | 12112211101001011200 |
4 | 2000021020030302 |
5 | 13400332022110 |
6 | 553155152030 |
7 | 104163435414 |
oct | 20011101462 |
9 | 5484331150 |
10 | 2149876530 |
11 | a0360506a |
12 | 4bbba5616 |
13 | 283531cb9 |
14 | 1657509b4 |
15 | c8b1a6c0 |
hex | 80248332 |
2149876530 has 48 divisors (see below), whose sum is σ = 5601757824. Its totient is φ = 572061600.
The previous prime is 2149876529. The next prime is 2149876537. The reversal of 2149876530 is 356789412.
2149876530 is a `hidden beast` number, since 2 + 1 + 49 + 8 + 76 + 530 = 666.
2149876530 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (45).
2149876530 is strictly pandigital in base 10.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2149876537) 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, 16455 + ... + 67605.
It is an arithmetic number, because the mean of its divisors is an integer number (116703288).
It is a 1-persistent number, because it is pandigital, but 2⋅2149876530 = 4299753060 is not.
Almost surely, 22149876530 is an apocalyptic number.
2149876530 is an abundant number, since it is smaller than the sum of its proper divisors (3451881294).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2149876530 is a wasteful number, since it uses less digits than its factorization.
2149876530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51631 (or 51628 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The square root of 2149876530 is about 46366.7610471122. The cubic root of 2149876530 is about 1290.6381735118.
The spelling of 2149876530 in words is "two billion, one hundred forty-nine million, eight hundred seventy-six thousand, five hundred thirty".
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