Base | Representation |
---|---|
bin | 11011111011000… |
… | …110100110101101 |
3 | 1012122112011112011 |
4 | 123323012212231 |
5 | 1424412302011 |
6 | 114253041221 |
7 | 14416000120 |
oct | 3373064655 |
9 | 1178464464 |
10 | 468478381 |
11 | 220497818 |
12 | 110a86211 |
13 | 76099657 |
14 | 4630c3b7 |
15 | 2b1dd621 |
hex | 1bec69ad |
468478381 has 8 divisors (see below), whose sum is σ = 535902464. Its totient is φ = 401178960.
The previous prime is 468478379. The next prime is 468478393. The reversal of 468478381 is 183874864.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 468478381 - 21 = 468478379 is a prime.
It is a super-2 number, since 2×4684783812 = 438943986928762322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (468478301) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22965 + ... + 38266.
It is an arithmetic number, because the mean of its divisors is an integer number (66987808).
Almost surely, 2468478381 is an apocalyptic number.
It is an amenable number.
468478381 is a deficient number, since it is larger than the sum of its proper divisors (67424083).
468478381 is a wasteful number, since it uses less digits than its factorization.
468478381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62331.
The product of its digits is 1032192, while the sum is 49.
The square root of 468478381 is about 21644.3614135414. The cubic root of 468478381 is about 776.6580560076.
It can be divided in two parts, 4684783 and 81, that added together give a palindrome (4684864).
The spelling of 468478381 in words is "four hundred sixty-eight million, four hundred seventy-eight thousand, three hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •