Base | Representation |
---|---|
bin | 1010000000101… |
… | …0111011010001 |
3 | 2221000012102110 |
4 | 2200022323101 |
5 | 41222102133 |
6 | 4055535533 |
7 | 1016614251 |
oct | 240127321 |
9 | 87005373 |
10 | 41987793 |
11 | 21779061 |
12 | 1208a5a9 |
13 | 8911563 |
14 | 580d961 |
15 | 3a45c63 |
hex | 280aed1 |
41987793 has 4 divisors (see below), whose sum is σ = 55983728. Its totient is φ = 27991860.
The previous prime is 41987783. The next prime is 41987809. The reversal of 41987793 is 39778914.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 41987793 - 28 = 41987537 is a prime.
It is a super-2 number, since 2×419877932 = 3525949522021698, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (41987723) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6997963 + ... + 6997968.
It is an arithmetic number, because the mean of its divisors is an integer number (13995932).
Almost surely, 241987793 is an apocalyptic number.
It is an amenable number.
41987793 is a deficient number, since it is larger than the sum of its proper divisors (13995935).
41987793 is a wasteful number, since it uses less digits than its factorization.
41987793 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13995934.
The product of its digits is 381024, while the sum is 48.
The square root of 41987793 is about 6479.7988394703. The cubic root of 41987793 is about 347.5689851484.
The spelling of 41987793 in words is "forty-one million, nine hundred eighty-seven thousand, seven hundred ninety-three".
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