Base | Representation |
---|---|
bin | 1010111011111… |
… | …0010010001001 |
3 | 10012022100022002 |
4 | 2232332102021 |
5 | 43220240134 |
6 | 4315040345 |
7 | 1064605304 |
oct | 256762211 |
9 | 105270262 |
10 | 45868169 |
11 | 23989486 |
12 | 134400b5 |
13 | 966c839 |
14 | 613db3b |
15 | 406087e |
hex | 2bbe489 |
45868169 has 8 divisors (see below), whose sum is σ = 47873160. Its totient is φ = 43891456.
The previous prime is 45868103. The next prime is 45868177. The reversal of 45868169 is 96186854.
It can be written as a sum of positive squares in 4 ways, for example, as 238144 + 45630025 = 488^2 + 6755^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 45868169 - 212 = 45864073 is a prime.
It is a super-2 number, since 2×458681692 = 4207777854825122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (45868469) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3722 + ... + 10275.
It is an arithmetic number, because the mean of its divisors is an integer number (5984145).
Almost surely, 245868169 is an apocalyptic number.
It is an amenable number.
45868169 is a deficient number, since it is larger than the sum of its proper divisors (2004991).
45868169 is a wasteful number, since it uses less digits than its factorization.
45868169 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14139.
The product of its digits is 414720, while the sum is 47.
The square root of 45868169 is about 6772.6042996767. The cubic root of 45868169 is about 357.9621720691.
The spelling of 45868169 in words is "forty-five million, eight hundred sixty-eight thousand, one hundred sixty-nine".
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