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4380142 = 213212959
BaseRepresentation
bin10000101101010111101110
322020112102111
4100231113232
52110131032
6233514234
752142044
oct20552756
98215374
104380142
112521958
12157297a
13ba4900
14820394
155b7c47
hex42d5ee

4380142 has 12 divisors (see below), whose sum is σ = 7115040. Its totient is φ = 2021448.

The previous prime is 4380137. The next prime is 4380151. The reversal of 4380142 is 2410834.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 6142 + ... + 6817.

It is an arithmetic number, because the mean of its divisors is an integer number (592920).

Almost surely, 24380142 is an apocalyptic number.

4380142 is a deficient number, since it is larger than the sum of its proper divisors (2734898).

4380142 is a wasteful number, since it uses less digits than its factorization.

4380142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12987 (or 12974 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4380142 is about 2092.8788784829. The cubic root of 4380142 is about 163.6173659389.

Adding to 4380142 its reverse (2410834), we get a palindrome (6790976).

The spelling of 4380142 in words is "four million, three hundred eighty thousand, one hundred forty-two".

Divisors: 1 2 13 26 169 338 12959 25918 168467 336934 2190071 4380142