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1814142 = 231127487
BaseRepresentation
bin110111010111001111110
310102011112110
412322321332
5431023032
6102514450
721264021
oct6727176
93364473
101814142
111029aa0
12735a26
134b6975
143531b8
1525c7cc
hex1bae7e

1814142 has 16 divisors (see below), whose sum is σ = 3958272. Its totient is φ = 549720.

The previous prime is 1814129. The next prime is 1814143. The reversal of 1814142 is 2414181.

It is a happy number.

It is a super-2 number, since 2×18141422 = 6582222392328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1814143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13678 + ... + 13809.

It is an arithmetic number, because the mean of its divisors is an integer number (247392).

21814142 is an apocalyptic number.

1814142 is an abundant number, since it is smaller than the sum of its proper divisors (2144130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1814142 is a wasteful number, since it uses less digits than its factorization.

1814142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27503.

The product of its digits is 256, while the sum is 21.

The square root of 1814142 is about 1346.9008872222. The cubic root of 1814142 is about 121.9617814534.

The spelling of 1814142 in words is "one million, eight hundred fourteen thousand, one hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 27487 54974 82461 164922 302357 604714 907071 1814142