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142750 = 253571
BaseRepresentation
bin100010110110011110
321020211001
4202312132
514032000
63020514
71133116
oct426636
9236731
10142750
1198283
126a73a
134cc8a
143a046
152c46a
hex22d9e

142750 has 16 divisors (see below), whose sum is σ = 267696. Its totient is φ = 57000.

The previous prime is 142733. The next prime is 142757. The reversal of 142750 is 57241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142757) 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, 36 + ... + 535.

It is an arithmetic number, because the mean of its divisors is an integer number (16731).

2142750 is an apocalyptic number.

142750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142750 is a deficient number, since it is larger than the sum of its proper divisors (124946).

142750 is an equidigital number, since it uses as much as digits as its factorization.

142750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 142750 is about 377.8227097463. The cubic root of 142750 is about 52.2627236399.

Adding to 142750 its reverse (57241), we get a palindrome (199991).

The spelling of 142750 in words is "one hundred forty-two thousand, seven hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 571 1142 2855 5710 14275 28550 71375 142750