Base | Representation |
---|---|
bin | 11011111110110… |
… | …010000010100001 |
3 | 1012201100011100110 |
4 | 123332302002201 |
5 | 1430134131341 |
6 | 114325441533 |
7 | 14430124446 |
oct | 3376620241 |
9 | 1181304313 |
10 | 469442721 |
11 | 220a962a0 |
12 | 1112702a9 |
13 | 76346577 |
14 | 464bd9cd |
15 | 2b32e216 |
hex | 1bfb20a1 |
469442721 has 32 divisors (see below), whose sum is σ = 700305408. Its totient is φ = 277280640.
The previous prime is 469442711. The next prime is 469442741. The reversal of 469442721 is 127244964.
It is not a de Polignac number, because 469442721 - 25 = 469442689 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 469442721.
It is not an unprimeable number, because it can be changed into a prime (469442711) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 484980 + ... + 485946.
It is an arithmetic number, because the mean of its divisors is an integer number (21884544).
Almost surely, 2469442721 is an apocalyptic number.
It is an amenable number.
469442721 is a deficient number, since it is larger than the sum of its proper divisors (230862687).
469442721 is a wasteful number, since it uses less digits than its factorization.
469442721 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1341.
The product of its digits is 96768, while the sum is 39.
The square root of 469442721 is about 21666.6268948353. The cubic root of 469442721 is about 777.1905950717.
The spelling of 469442721 in words is "four hundred sixty-nine million, four hundred forty-two thousand, seven hundred twenty-one".
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