Base | Representation |
---|---|
bin | 11011111100101… |
… | …001000000010111 |
3 | 1012200021122101221 |
4 | 123330221000113 |
5 | 1430013201211 |
6 | 114305431211 |
7 | 14422266154 |
oct | 3374510027 |
9 | 1180248357 |
10 | 468881431 |
11 | 220742617 |
12 | 11103b507 |
13 | 761aac45 |
14 | 463b522b |
15 | 2b26cc71 |
hex | 1bf29017 |
468881431 has 4 divisors (see below), whose sum is σ = 468949392. Its totient is φ = 468813472.
The previous prime is 468881401. The next prime is 468881461. The reversal of 468881431 is 134188864.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (468881401) and next prime (468881461).
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-468881431 is a prime.
It is a super-2 number, since 2×4688814312 = 439699592673215522, 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 (468881401) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22291 + ... + 37876.
It is an arithmetic number, because the mean of its divisors is an integer number (117237348).
Almost surely, 2468881431 is an apocalyptic number.
468881431 is a deficient number, since it is larger than the sum of its proper divisors (67961).
468881431 is an equidigital number, since it uses as much as digits as its factorization.
468881431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67960.
The product of its digits is 147456, while the sum is 43.
The square root of 468881431 is about 21653.6701508082. The cubic root of 468881431 is about 776.8807217796.
The spelling of 468881431 in words is "four hundred sixty-eight million, eight hundred eighty-one thousand, four hundred thirty-one".
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