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40761841 = 46218821
BaseRepresentation
bin1001101101111…
…1100111110001
32211200220201211
42123133213301
540413334331
64013400121
71003320121
oct233374761
984626654
1040761841
1121010a7a
1211799041
1385a2543
1455b0c81
1538a28b1
hex26df9f1

40761841 has 4 divisors (see below), whose sum is σ = 40775284. Its totient is φ = 40748400.

The previous prime is 40761811. The next prime is 40761857. The reversal of 40761841 is 14816704.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 20511841 + 20250000 = 4529^2 + 4500^2 .

It is a cyclic number.

It is not a de Polignac number, because 40761841 - 27 = 40761713 is a prime.

It is the 6385-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40761811) by changing a digit.

It is a nontrivial repunit in base 6384.

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 3 ways as a sum of consecutive naturals, for example, 211 + ... + 9031.

It is an arithmetic number, because the mean of its divisors is an integer number (10193821).

Almost surely, 240761841 is an apocalyptic number.

It is an amenable number.

40761841 is a deficient number, since it is larger than the sum of its proper divisors (13443).

40761841 is an equidigital number, since it uses as much as digits as its factorization.

40761841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13442.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 40761841 is about 6384.5000587360. The cubic root of 40761841 is about 344.1527653247.

The spelling of 40761841 in words is "forty million, seven hundred sixty-one thousand, eight hundred forty-one".

Divisors: 1 4621 8821 40761841