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4181027 = 22318749
BaseRepresentation
bin1111111100110000100011
321212102021212
433330300203
52032243102
6225340335
750352404
oct17746043
97772255
104181027
1123a62a4
1214976ab
13b350a6
147ab9ab
15578c52
hex3fcc23

4181027 has 4 divisors (see below), whose sum is σ = 4200000. Its totient is φ = 4162056.

The previous prime is 4180987. The next prime is 4181041. The reversal of 4181027 is 7201814.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4181027 is a prime.

It is a Duffinian number.

It is a zygodrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 4180993 and 4181011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4181077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9152 + ... + 9597.

It is an arithmetic number, because the mean of its divisors is an integer number (1050000).

Almost surely, 24181027 is an apocalyptic number.

4181027 is a deficient number, since it is larger than the sum of its proper divisors (18973).

4181027 is a wasteful number, since it uses less digits than its factorization.

4181027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18972.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 4181027 is about 2044.7559756607. The cubic root of 4181027 is about 161.0995487893.

The spelling of 4181027 in words is "four million, one hundred eighty-one thousand, twenty-seven".

Divisors: 1 223 18749 4181027