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41993149 = 113817559
BaseRepresentation
bin1010000000110…
…0001110111101
32221000110202211
42200030032331
541222240044
64100020421
71016636002
oct240141675
987013684
1041993149
1121782090
1212091711
138913b23
1458118a9
153a47634
hex280c3bd

41993149 has 4 divisors (see below), whose sum is σ = 45810720. Its totient is φ = 38175580.

The previous prime is 41993141. The next prime is 41993207. The reversal of 41993149 is 94139914.

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 41993149 - 23 = 41993141 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 (41993141) 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, 1908769 + ... + 1908790.

It is an arithmetic number, because the mean of its divisors is an integer number (11452680).

Almost surely, 241993149 is an apocalyptic number.

It is an amenable number.

41993149 is a deficient number, since it is larger than the sum of its proper divisors (3817571).

41993149 is a wasteful number, since it uses less digits than its factorization.

41993149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3817570.

The product of its digits is 34992, while the sum is 40.

The square root of 41993149 is about 6480.2121107260. The cubic root of 41993149 is about 347.5837632557.

The spelling of 41993149 in words is "forty-one million, nine hundred ninety-three thousand, one hundred forty-nine".

Divisors: 1 11 3817559 41993149