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41042431 = 131313301
BaseRepresentation
bin1001110010010…
…0000111111111
32212020011122001
42130210013333
541001324211
64023403131
71005566143
oct234440777
985204561
1041042431
1121192871
12118b34a7
138670181
145645223
15390aac1
hex27241ff

41042431 has 4 divisors (see below), whose sum is σ = 41355864. Its totient is φ = 40729000.

The previous prime is 41042429. The next prime is 41042467. The reversal of 41042431 is 13424014.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13424014 = 26712007.

It is a cyclic number.

It is not a de Polignac number, because 41042431 - 21 = 41042429 is a prime.

It is a super-2 number, since 2×410424312 = 3368962284779522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41042399 and 41042408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41042401) 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, 156520 + ... + 156781.

It is an arithmetic number, because the mean of its divisors is an integer number (10338966).

Almost surely, 241042431 is an apocalyptic number.

41042431 is a deficient number, since it is larger than the sum of its proper divisors (313433).

41042431 is a wasteful number, since it uses less digits than its factorization.

41042431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313432.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 41042431 is about 6406.4366850848. The cubic root of 41042431 is about 344.9406353083.

Adding to 41042431 its reverse (13424014), we get a palindrome (54466445).

The spelling of 41042431 in words is "forty-one million, forty-two thousand, four hundred thirty-one".

Divisors: 1 131 313301 41042431