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41808369 = 313936123
BaseRepresentation
bin1001111101111…
…1000111110001
32220200002022010
42133133013301
541200331434
64052033133
71015236201
oct237370761
986602263
1041808369
1121666279
12120027a9
13887a9a5
1457a4401
153a0c9e9
hex27df1f1

41808369 has 4 divisors (see below), whose sum is σ = 55744496. Its totient is φ = 27872244.

The previous prime is 41808337. The next prime is 41808383. The reversal of 41808369 is 96380814.

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 41808369 - 25 = 41808337 is a prime.

It is a super-2 number, since 2×418083692 = 3495879436880322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41808769) by changing a digit.

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, 6968059 + ... + 6968064.

It is an arithmetic number, because the mean of its divisors is an integer number (13936124).

Almost surely, 241808369 is an apocalyptic number.

It is an amenable number.

41808369 is a deficient number, since it is larger than the sum of its proper divisors (13936127).

41808369 is a wasteful number, since it uses less digits than its factorization.

41808369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13936126.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 41808369 is about 6465.9391429243. The cubic root of 41808369 is about 347.0731961406.

The spelling of 41808369 in words is "forty-one million, eight hundred eight thousand, three hundred sixty-nine".

Divisors: 1 3 13936123 41808369