Base | Representation |
---|---|
bin | 110010001101101… |
… | …110101110110001 |
3 | 2011201020101222020 |
4 | 302031232232301 |
5 | 3211132210311 |
6 | 215332502053 |
7 | 26606535561 |
oct | 6215565661 |
9 | 2151211866 |
10 | 842460081 |
11 | 3a2601801 |
12 | 1b617a929 |
13 | 1056cb3b8 |
14 | 7dc5cda1 |
15 | 4de62c06 |
hex | 3236ebb1 |
842460081 has 8 divisors (see below), whose sum is σ = 1141694784. Its totient is φ = 552432720.
The previous prime is 842460071. The next prime is 842460107. The reversal of 842460081 is 180064248.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 842460081 - 25 = 842460049 is a prime.
It is a super-2 number, since 2×8424600812 = 1419477976157053122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (842460071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2301621 + ... + 2301986.
It is an arithmetic number, because the mean of its divisors is an integer number (142711848).
Almost surely, 2842460081 is an apocalyptic number.
It is an amenable number.
842460081 is a deficient number, since it is larger than the sum of its proper divisors (299234703).
842460081 is a wasteful number, since it uses less digits than its factorization.
842460081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4603671.
The product of its (nonzero) digits is 12288, while the sum is 33.
The square root of 842460081 is about 29025.1628935998. The cubic root of 842460081 is about 944.4590022357.
The spelling of 842460081 in words is "eight hundred forty-two million, four hundred sixty thousand, eighty-one".
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