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41840641 = 192202139
BaseRepresentation
bin1001111110011…
…1000000000001
32220201201120101
42133213000001
541202400031
64052442401
71015432243
oct237470001
986651511
1041840641
1121688547
1212019401
13888c59b
1457b2093
153a17361
hex27e7001

41840641 has 4 divisors (see below), whose sum is σ = 44042800. Its totient is φ = 39638484.

The previous prime is 41840609. The next prime is 41840647. The reversal of 41840641 is 14604814.

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 41840641 - 25 = 41840609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41840647) 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, 1101051 + ... + 1101088.

It is an arithmetic number, because the mean of its divisors is an integer number (11010700).

Almost surely, 241840641 is an apocalyptic number.

It is an amenable number.

41840641 is a deficient number, since it is larger than the sum of its proper divisors (2202159).

41840641 is a wasteful number, since it uses less digits than its factorization.

41840641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202158.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 41840641 is about 6468.4342000209. The cubic root of 41840641 is about 347.1624754382.

The spelling of 41840641 in words is "forty-one million, eight hundred forty thousand, six hundred forty-one".

Divisors: 1 19 2202139 41840641