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142284 = 22371167
BaseRepresentation
bin100010101111001100
321020011210
4202233030
514023114
63014420
71131552
oct425714
9236153
10142284
119799a
126a410
134c9bc
1439bd2
152c259
hex22bcc

142284 has 24 divisors (see below), whose sum is σ = 338688. Its totient is φ = 46480.

The previous prime is 142271. The next prime is 142297. The reversal of 142284 is 482241.

142284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142271) and next prime (142297).

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 142284.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769 + ... + 935.

It is an arithmetic number, because the mean of its divisors is an integer number (14112).

2142284 is an apocalyptic number.

It is an amenable number.

142284 is an abundant number, since it is smaller than the sum of its proper divisors (196404).

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

142284 is a wasteful number, since it uses less digits than its factorization.

142284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 243 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 142284 is about 377.2055142757. The cubic root of 142284 is about 52.2057919910.

The spelling of 142284 in words is "one hundred forty-two thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 71 142 167 213 284 334 426 501 668 852 1002 2004 11857 23714 35571 47428 71142 142284