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143440014 = 2356342463
BaseRepresentation
bin10001000110010…
…11100010001110
3100222220111201010
420203023202032
5243210040024
622122230050
73361135314
oct1043134216
9328814633
10143440014
1173a71673
1240055326
1323943063
141509c0b4
15c8d5b29
hex88cb88e

143440014 has 16 divisors (see below), whose sum is σ = 287396352. Its totient is φ = 47727288.

The previous prime is 143440013. The next prime is 143440043. The reversal of 143440014 is 410044341.

143440014 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143440013) 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, 17854 + ... + 24609.

It is an arithmetic number, because the mean of its divisors is an integer number (17962272).

Almost surely, 2143440014 is an apocalyptic number.

143440014 is an abundant number, since it is smaller than the sum of its proper divisors (143956338).

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

143440014 is a wasteful number, since it uses less digits than its factorization.

143440014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43031.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 143440014 is about 11976.6445217348. The cubic root of 143440014 is about 523.4679617214.

Adding to 143440014 its reverse (410044341), we get a palindrome (553484355).

The spelling of 143440014 in words is "one hundred forty-three million, four hundred forty thousand, fourteen".

Divisors: 1 2 3 6 563 1126 1689 3378 42463 84926 127389 254778 23906669 47813338 71720007 143440014