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142588 = 2243829
BaseRepresentation
bin100010110011111100
321020121001
4202303330
514030323
63020044
71132465
oct426374
9236531
10142588
1198146
126a624
134cb94
1439d6c
152c3ad
hex22cfc

142588 has 12 divisors (see below), whose sum is σ = 255640. Its totient is φ = 69552.

The previous prime is 142573. The next prime is 142589. The reversal of 142588 is 885241.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243 + ... + 586.

2142588 is an apocalyptic number.

It is an amenable number.

142588 is a deficient number, since it is larger than the sum of its proper divisors (113052).

142588 is a wasteful number, since it uses less digits than its factorization.

142588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876 (or 874 counting only the distinct ones).

The product of its digits is 2560, while the sum is 28.

The square root of 142588 is about 377.6082626215. The cubic root of 142588 is about 52.2429460193.

The spelling of 142588 in words is "one hundred forty-two thousand, five hundred eighty-eight".

Divisors: 1 2 4 43 86 172 829 1658 3316 35647 71294 142588