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41440431 = 313813477
BaseRepresentation
bin1001111000010…
…1010010101111
32212222101120210
42132011102233
541102043211
64040113503
71012144404
oct236052257
985871523
1041440431
112143489a
1211a65893
13877c386
14570a2ab
1539889a6
hex27854af

41440431 has 4 divisors (see below), whose sum is σ = 55253912. Its totient is φ = 27626952.

The previous prime is 41440429. The next prime is 41440471. The reversal of 41440431 is 13404414.

Adding to 41440431 its reverse (13404414), we get a palindrome (54844845).

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 41440431 - 21 = 41440429 is a prime.

It is a super-2 number, since 2×414404312 = 3434618642931522, 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 = 41440398 and 41440407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41440471) 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, 6906736 + ... + 6906741.

It is an arithmetic number, because the mean of its divisors is an integer number (13813478).

Almost surely, 241440431 is an apocalyptic number.

41440431 is a deficient number, since it is larger than the sum of its proper divisors (13813481).

41440431 is a wasteful number, since it uses less digits than its factorization.

41440431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13813480.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 41440431 is about 6437.4242519815. The cubic root of 41440431 is about 346.0520459202.

The spelling of 41440431 in words is "forty-one million, four hundred forty thousand, four hundred thirty-one".

Divisors: 1 3 13813477 41440431