Base | Representation |
---|---|
bin | 11101010000010… |
… | …01010111110000 |
3 | 122002202212121022 |
4 | 32220021113300 |
5 | 1000310431133 |
6 | 40203515012 |
7 | 6036623651 |
oct | 1650112760 |
9 | 562685538 |
10 | 245405168 |
11 | 116585598 |
12 | 6a228a68 |
13 | 3bac4178 |
14 | 24841528 |
15 | 16827998 |
hex | ea095f0 |
245405168 has 20 divisors (see below), whose sum is σ = 477173328. Its totient is φ = 122263680.
The previous prime is 245405143. The next prime is 245405177. The reversal of 245405168 is 861504542.
It is a super-2 number, since 2×2454051682 = 120447392962216448, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22796 + ... + 31787.
Almost surely, 2245405168 is an apocalyptic number.
It is an amenable number.
245405168 is a deficient number, since it is larger than the sum of its proper divisors (231768160).
245405168 is a wasteful number, since it uses less digits than its factorization.
245405168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54872 (or 54866 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 35.
The square root of 245405168 is about 15665.4131129696. The cubic root of 245405168 is about 626.0772189855.
The spelling of 245405168 in words is "two hundred forty-five million, four hundred five thousand, one hundred sixty-eight".
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