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4166243 = 23181141
BaseRepresentation
bin1111111001001001100011
321211200000022
433321021203
52031304433
6225144055
750261324
oct17711143
97750008
104166243
112396184
12148b02b
13b2b443
147a644b
15574698
hex3f9263

4166243 has 4 divisors (see below), whose sum is σ = 4347408. Its totient is φ = 3985080.

The previous prime is 4166233. The next prime is 4166251. The reversal of 4166243 is 3426614.

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-4166243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4166203) 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, 90548 + ... + 90593.

It is an arithmetic number, because the mean of its divisors is an integer number (1086852).

Almost surely, 24166243 is an apocalyptic number.

4166243 is a deficient number, since it is larger than the sum of its proper divisors (181165).

4166243 is a wasteful number, since it uses less digits than its factorization.

4166243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181164.

The product of its digits is 3456, while the sum is 26.

The square root of 4166243 is about 2041.1376729657. The cubic root of 4166243 is about 160.9094433072.

The spelling of 4166243 in words is "four million, one hundred sixty-six thousand, two hundred forty-three".

Divisors: 1 23 181141 4166243