Base | Representation |
---|---|
bin | 11101100111111… |
… | …10010001111001 |
3 | 122022121101102010 |
4 | 32303332101321 |
5 | 1002104133330 |
6 | 40354200133 |
7 | 6105155505 |
oct | 1663762171 |
9 | 568541363 |
10 | 248505465 |
11 | 11830291a |
12 | 6b283049 |
13 | 3c63b370 |
14 | 2500b305 |
15 | 16c3b3b0 |
hex | ecfe479 |
248505465 has 32 divisors (see below), whose sum is σ = 450737280. Its totient is φ = 115900416.
The previous prime is 248505457. The next prime is 248505511. The reversal of 248505465 is 564505842.
It is not a de Polignac number, because 248505465 - 23 = 248505457 is a prime.
It is a super-2 number, since 2×2485054652 = 123509932269732450, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29832 + ... + 37241.
It is an arithmetic number, because the mean of its divisors is an integer number (14085540).
Almost surely, 2248505465 is an apocalyptic number.
It is an amenable number.
248505465 is a deficient number, since it is larger than the sum of its proper divisors (202231815).
248505465 is a wasteful number, since it uses less digits than its factorization.
248505465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67113.
The product of its (nonzero) digits is 192000, while the sum is 39.
The square root of 248505465 is about 15764.0561087558. The cubic root of 248505465 is about 628.7026843543.
The spelling of 248505465 in words is "two hundred forty-eight million, five hundred five thousand, four hundred sixty-five".
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