Base | Representation |
---|---|
bin | 11101010000100… |
… | …10111001001000 |
3 | 122002211212002202 |
4 | 32220102321020 |
5 | 1000313203133 |
6 | 40204415332 |
7 | 6040145444 |
oct | 1650227110 |
9 | 562755082 |
10 | 245444168 |
11 | 116601922 |
12 | 6a247548 |
13 | 3bb08b48 |
14 | 24851824 |
15 | 168342e8 |
hex | ea12e48 |
245444168 has 36 divisors (see below), whose sum is σ = 479132745. Its totient is φ = 117869920.
The previous prime is 245444167. The next prime is 245444179. The reversal of 245444168 is 861444542.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 245298244 + 145924 = 15662^2 + 382^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=11078.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (245444161) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1284953 + ... + 1285143.
Almost surely, 2245444168 is an apocalyptic number.
It is an amenable number.
245444168 is a deficient number, since it is larger than the sum of its proper divisors (233688577).
245444168 is an equidigital number, since it uses as much as digits as its factorization.
245444168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 446 (or 222 counting only the distinct ones).
The product of its digits is 122880, while the sum is 38.
The square root of 245444168 is about 15666.6578439691. The cubic root of 245444168 is about 626.1103828051.
The spelling of 245444168 in words is "two hundred forty-five million, four hundred forty-four thousand, one hundred sixty-eight".
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