Base | Representation |
---|---|
bin | 11100101011111… |
… | …011000000011011 |
3 | 1020112121100110111 |
4 | 130223323000123 |
5 | 1441201312211 |
6 | 115431225151 |
7 | 14632530553 |
oct | 3453730033 |
9 | 1215540414 |
10 | 481275931 |
11 | 227738804 |
12 | 1152181b7 |
13 | 7892a676 |
14 | 47cc0163 |
15 | 2c3ba421 |
hex | 1cafb01b |
481275931 has 4 divisors (see below), whose sum is σ = 484789032. Its totient is φ = 477762832.
The previous prime is 481275913. The next prime is 481275959. The reversal of 481275931 is 139572184.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 481275931 - 211 = 481273883 is a prime.
It is a super-2 number, since 2×4812759312 = 463253043519833522, which contains 22 as substring.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (481275901) 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, 1756345 + ... + 1756618.
It is an arithmetic number, because the mean of its divisors is an integer number (121197258).
Almost surely, 2481275931 is an apocalyptic number.
481275931 is a deficient number, since it is larger than the sum of its proper divisors (3513101).
481275931 is a wasteful number, since it uses less digits than its factorization.
481275931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3513100.
The product of its digits is 60480, while the sum is 40.
The square root of 481275931 is about 21938.0019828607. The cubic root of 481275931 is about 783.6666784468. Note that the first 4 decimals are identical.
The spelling of 481275931 in words is "four hundred eighty-one million, two hundred seventy-five thousand, nine hundred thirty-one".
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