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142384 = 2411809
BaseRepresentation
bin100010110000110000
321020022111
4202300300
514024014
63015104
71132054
oct426060
9236274
10142384
1197a80
126a494
134ca68
1439c64
152c2c4
hex22c30

142384 has 20 divisors (see below), whose sum is σ = 301320. Its totient is φ = 64640.

The previous prime is 142381. The next prime is 142391. The reversal of 142384 is 483241.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (142381) 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, 229 + ... + 580.

It is an arithmetic number, because the mean of its divisors is an integer number (15066).

2142384 is an apocalyptic number.

It is an amenable number.

142384 is an abundant number, since it is smaller than the sum of its proper divisors (158936).

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

142384 is a wasteful number, since it uses less digits than its factorization.

142384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 822 counting only the distinct ones).

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

The square root of 142384 is about 377.3380447291. The cubic root of 142384 is about 52.2180195468.

The spelling of 142384 in words is "one hundred forty-two thousand, three hundred eighty-four".

Divisors: 1 2 4 8 11 16 22 44 88 176 809 1618 3236 6472 8899 12944 17798 35596 71192 142384