Base | Representation |
---|---|
bin | 11011111100101… |
… | …100101010000101 |
3 | 1012200022101220221 |
4 | 123330230222011 |
5 | 1430014141024 |
6 | 114310024341 |
7 | 14422360603 |
oct | 3374545205 |
9 | 1180271827 |
10 | 468896389 |
11 | 220752885 |
12 | 1110480b1 |
13 | 761b49b0 |
14 | 463ba873 |
15 | 2b2723e4 |
hex | 1bf2ca85 |
468896389 has 16 divisors (see below), whose sum is σ = 523378800. Its totient is φ = 417102336.
The previous prime is 468896387. The next prime is 468896401. The reversal of 468896389 is 983698864.
It can be written as a sum of positive squares in 8 ways, for example, as 7935489 + 460960900 = 2817^2 + 21470^2 .
It is a cyclic number.
It is not a de Polignac number, because 468896389 - 21 = 468896387 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (468896387) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290617 + ... + 292225.
It is an arithmetic number, because the mean of its divisors is an integer number (32711175).
Almost surely, 2468896389 is an apocalyptic number.
It is an amenable number.
468896389 is a deficient number, since it is larger than the sum of its proper divisors (54482411).
468896389 is a wasteful number, since it uses less digits than its factorization.
468896389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2424.
The product of its digits is 17915904, while the sum is 61.
The square root of 468896389 is about 21654.0155398485. The cubic root of 468896389 is about 776.8889829003. Note that the first 3 decimals are identical.
The spelling of 468896389 in words is "four hundred sixty-eight million, eight hundred ninety-six thousand, three hundred eighty-nine".
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