Base | Representation |
---|---|
bin | 11101001101100… |
… | …11011101111001 |
3 | 122002002222221100 |
4 | 32212303131321 |
5 | 1000213201210 |
6 | 40152202013 |
7 | 6033630060 |
oct | 1646633571 |
9 | 562088840 |
10 | 245053305 |
11 | 1163651a2 |
12 | 6a099309 |
13 | 3b9ccc73 |
14 | 2478d1d7 |
15 | 167a85c0 |
hex | e9b3779 |
245053305 has 48 divisors (see below), whose sum is σ = 492321024. Its totient is φ = 110436480.
The previous prime is 245053261. The next prime is 245053321. The reversal of 245053305 is 503350542.
It is not a de Polignac number, because 245053305 - 212 = 245049209 is a prime.
It is a super-2 number, since 2×2450533052 = 120102244582846050, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16887 + ... + 27843.
It is an arithmetic number, because the mean of its divisors is an integer number (10256688).
Almost surely, 2245053305 is an apocalyptic number.
It is an amenable number.
245053305 is an abundant number, since it is smaller than the sum of its proper divisors (247267719).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245053305 is a wasteful number, since it uses less digits than its factorization.
245053305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11046 (or 11043 counting only the distinct ones).
The product of its (nonzero) digits is 9000, while the sum is 27.
The square root of 245053305 is about 15654.1785156552. The cubic root of 245053305 is about 625.7778517796. Note that the first 3 decimals are identical.
It can be divided in two parts, 2450 and 53305, that added together give a palindrome (55755).
The spelling of 245053305 in words is "two hundred forty-five million, fifty-three thousand, three hundred five".
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