Base | Representation |
---|---|
bin | 11101010000011… |
… | …11100010110111 |
3 | 122002211011021212 |
4 | 32220033202313 |
5 | 1000312233310 |
6 | 40204232035 |
7 | 6040060454 |
oct | 1650174267 |
9 | 562734255 |
10 | 245430455 |
11 | 1165a2596 |
12 | 6a23b61b |
13 | 3bb0282a |
14 | 2484a82b |
15 | 16830205 |
hex | ea0f8b7 |
245430455 has 16 divisors (see below), whose sum is σ = 302776320. Its totient is φ = 190880928.
The previous prime is 245430443. The next prime is 245430473. The reversal of 245430455 is 554034542.
It is a cyclic number.
It is not a de Polignac number, because 245430455 - 212 = 245426359 is a prime.
It is a super-2 number, since 2×2454304552 = 120472216483014050, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45386 + ... + 50504.
It is an arithmetic number, because the mean of its divisors is an integer number (18923520).
Almost surely, 2245430455 is an apocalyptic number.
245430455 is a deficient number, since it is larger than the sum of its proper divisors (57345865).
245430455 is a wasteful number, since it uses less digits than its factorization.
245430455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5390.
The product of its (nonzero) digits is 48000, while the sum is 32.
The square root of 245430455 is about 15666.2201886735. The cubic root of 245430455 is about 626.0987222964.
Adding to 245430455 its reverse (554034542), we get a palindrome (799464997).
The spelling of 245430455 in words is "two hundred forty-five million, four hundred thirty thousand, four hundred fifty-five".
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