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41889109 = 107391487
BaseRepresentation
bin1001111111001…
…0110101010101
32220211012001111
42133302311111
541210422414
64053455021
71016023453
oct237626525
986735044
1041889109
11217109a9
1212041471
1388a8672
1457c59d3
153a268c4
hex27f2d55

41889109 has 4 divisors (see below), whose sum is σ = 42280704. Its totient is φ = 41497516.

The previous prime is 41889097. The next prime is 41889119. The reversal of 41889109 is 90198814.

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 a cyclic number.

It is not a de Polignac number, because 41889109 - 211 = 41887061 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41889119) 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, 195637 + ... + 195850.

It is an arithmetic number, because the mean of its divisors is an integer number (10570176).

Almost surely, 241889109 is an apocalyptic number.

It is an amenable number.

41889109 is a deficient number, since it is larger than the sum of its proper divisors (391595).

41889109 is a wasteful number, since it uses less digits than its factorization.

41889109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391594.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 41889109 is about 6472.1796174087. The cubic root of 41889109 is about 347.2964741651.

The spelling of 41889109 in words is "forty-one million, eight hundred eighty-nine thousand, one hundred nine".

Divisors: 1 107 391487 41889109