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4386139 = 41106979
BaseRepresentation
bin10000101110110101011011
322020211122121
4100232311123
52110324024
6234002111
752165402
oct20566533
98224577
104386139
11252640a
121576337
13ba7564
14822639
155b98e4
hex42ed5b

4386139 has 4 divisors (see below), whose sum is σ = 4493160. Its totient is φ = 4279120.

The previous prime is 4386133. The next prime is 4386149. The reversal of 4386139 is 9316834.

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

It is a cyclic number.

It is not a de Polignac number, because 4386139 - 29 = 4385627 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4386133) 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, 53449 + ... + 53530.

It is an arithmetic number, because the mean of its divisors is an integer number (1123290).

Almost surely, 24386139 is an apocalyptic number.

4386139 is a deficient number, since it is larger than the sum of its proper divisors (107021).

4386139 is a wasteful number, since it uses less digits than its factorization.

4386139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107020.

The product of its digits is 15552, while the sum is 34.

The square root of 4386139 is about 2094.3111039194. The cubic root of 4386139 is about 163.6920032360.

The spelling of 4386139 in words is "four million, three hundred eighty-six thousand, one hundred thirty-nine".

Divisors: 1 41 106979 4386139