Base | Representation |
---|---|
bin | 1010000111111… |
… | …0111110111001 |
3 | 2221220100111200 |
4 | 2201332332321 |
5 | 41332310121 |
6 | 4114044413 |
7 | 1023634206 |
oct | 241767671 |
9 | 87810450 |
10 | 42463161 |
11 | 21a73224 |
12 | 12279709 |
13 | 8a49a40 |
14 | 58d4cad |
15 | 3adba26 |
hex | 287efb9 |
42463161 has 48 divisors (see below), whose sum is σ = 71954064. Its totient is φ = 23887872.
The previous prime is 42463159. The next prime is 42463199. The reversal of 42463161 is 16136424.
42463161 is a `hidden beast` number, since 4 + 24 + 631 + 6 + 1 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 10890000 + 31573161 = 3300^2 + 5619^2 .
It is not a de Polignac number, because 42463161 - 21 = 42463159 is a prime.
It is a super-2 number, since 2×424631612 = 3606240084223842, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (42463111) 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 47 ways as a sum of consecutive naturals, for example, 73305 + ... + 73881.
It is an arithmetic number, because the mean of its divisors is an integer number (1499043).
Almost surely, 242463161 is an apocalyptic number.
It is an amenable number.
42463161 is a deficient number, since it is larger than the sum of its proper divisors (29490903).
42463161 is a wasteful number, since it uses less digits than its factorization.
42463161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 650 (or 647 counting only the distinct ones).
The product of its digits is 3456, while the sum is 27.
The square root of 42463161 is about 6516.3763703457. The cubic root of 42463161 is about 348.8757422250.
Adding to 42463161 its reverse (16136424), we get a palindrome (58599585).
It can be divided in two parts, 42463 and 161, that added together give a palindrome (42624).
The spelling of 42463161 in words is "forty-two million, four hundred sixty-three thousand, one hundred sixty-one".
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