Base | Representation |
---|---|
bin | 11011011111101… |
… | …011111001111011 |
3 | 1012011000000110201 |
4 | 123133223321323 |
5 | 1421042304011 |
6 | 113435023031 |
7 | 14300624050 |
oct | 3337537173 |
9 | 1164000421 |
10 | 461291131 |
11 | 217428944 |
12 | 10a59aa77 |
13 | 74751142 |
14 | 4539b027 |
15 | 2a76dcc1 |
hex | 1b7ebe7b |
461291131 has 8 divisors (see below), whose sum is σ = 527770880. Its totient is φ = 394956648.
The previous prime is 461291119. The next prime is 461291137. The reversal of 461291131 is 131192164.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 461291131 - 27 = 461291003 is a prime.
It is a super-2 number, since 2×4612911312 = 425579015078518322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 461291131.
It is not an unprimeable number, because it can be changed into a prime (461291137) 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, 29421 + ... + 42286.
It is an arithmetic number, because the mean of its divisors is an integer number (65971360).
Almost surely, 2461291131 is an apocalyptic number.
461291131 is a deficient number, since it is larger than the sum of its proper divisors (66479749).
461291131 is an equidigital number, since it uses as much as digits as its factorization.
461291131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72633.
The product of its digits is 1296, while the sum is 28.
The square root of 461291131 is about 21477.6891447846. The cubic root of 461291131 is about 772.6658209959.
The spelling of 461291131 in words is "four hundred sixty-one million, two hundred ninety-one thousand, one hundred thirty-one".
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