Base | Representation |
---|---|
bin | 1010111011101… |
… | …0000111001001 |
3 | 10012021110212012 |
4 | 2232322013021 |
5 | 43214213311 |
6 | 4314425305 |
7 | 1064504423 |
oct | 256720711 |
9 | 105243765 |
10 | 45851081 |
11 | 23977661 |
12 | 13432235 |
13 | 9664b23 |
14 | 6137813 |
15 | 405a78b |
hex | 2bba1c9 |
45851081 has 4 divisors (see below), whose sum is σ = 46479252. Its totient is φ = 45222912.
The previous prime is 45851017. The next prime is 45851087. The reversal of 45851081 is 18015854.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 32775625 + 13075456 = 5725^2 + 3616^2 .
It is a cyclic number.
It is not a de Polignac number, because 45851081 - 26 = 45851017 is a prime.
It is a super-2 number, since 2×458510812 = 4204643257737122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (45851087) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313976 + ... + 314121.
It is an arithmetic number, because the mean of its divisors is an integer number (11619813).
Almost surely, 245851081 is an apocalyptic number.
It is an amenable number.
45851081 is a deficient number, since it is larger than the sum of its proper divisors (628171).
45851081 is an equidigital number, since it uses as much as digits as its factorization.
45851081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 628170.
The product of its (nonzero) digits is 6400, while the sum is 32.
The square root of 45851081 is about 6771.3426290508. The cubic root of 45851081 is about 357.9177140969.
The spelling of 45851081 in words is "forty-five million, eight hundred fifty-one thousand, eighty-one".
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