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4158423 = 322320089
BaseRepresentation
bin1111110111001111010111
321211021021200
433313033113
52031032143
6225043543
750226453
oct17671727
97737250
104158423
112390315
1214865b3
13b27a09
147a3663
155721d3
hex3f73d7

4158423 has 12 divisors (see below), whose sum is σ = 6268080. Its totient is φ = 2651616.

The previous prime is 4158409. The next prime is 4158443. The reversal of 4158423 is 3248514.

4158423 = T402 + T403 + ... + T447.

It is not a de Polignac number, because 4158423 - 25 = 4158391 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4158403) 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 11 ways as a sum of consecutive naturals, for example, 9838 + ... + 10251.

It is an arithmetic number, because the mean of its divisors is an integer number (522340).

Almost surely, 24158423 is an apocalyptic number.

4158423 is a deficient number, since it is larger than the sum of its proper divisors (2109657).

4158423 is a wasteful number, since it uses less digits than its factorization.

4158423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20118 (or 20115 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 4158423 is about 2039.2211748606. The cubic root of 4158423 is about 160.8087050682.

Subtracting from 4158423 its reverse (3248514), we obtain a palindrome (909909).

The spelling of 4158423 in words is "four million, one hundred fifty-eight thousand, four hundred twenty-three".

Divisors: 1 3 9 23 69 207 20089 60267 180801 462047 1386141 4158423