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4389142 = 24753881
BaseRepresentation
bin10000101111100100010110
322020222202211
4100233210112
52110423032
6234024034
752210222
oct20574426
98228684
104389142
11252869a
12157801a
13ba8a34
14823782
155ba747
hex42f916

4389142 has 16 divisors (see below), whose sum is σ = 6858432. Its totient is φ = 2104960.

The previous prime is 4389137. The next prime is 4389169. The reversal of 4389142 is 2419834.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4542 + ... + 5422.

It is an arithmetic number, because the mean of its divisors is an integer number (428652).

Almost surely, 24389142 is an apocalyptic number.

4389142 is a deficient number, since it is larger than the sum of its proper divisors (2469290).

4389142 is a wasteful number, since it uses less digits than its factorization.

4389142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983.

The product of its digits is 6912, while the sum is 31.

The square root of 4389142 is about 2095.0279234416. The cubic root of 4389142 is about 163.7293523293.

The spelling of 4389142 in words is "four million, three hundred eighty-nine thousand, one hundred forty-two".

Divisors: 1 2 47 53 94 106 881 1762 2491 4982 41407 46693 82814 93386 2194571 4389142