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142765244 = 22149239539
BaseRepresentation
bin10001000001001…
…10110010111100
3100221122020002122
420200212302330
5243021441434
622055542112
73352325126
oct1040466274
9327566078
10142765244
1173650706
123b98a938
1323767b9b
1414d64216
15c800c2e
hex8826cbc

142765244 has 12 divisors (see below), whose sum is σ = 251517000. Its totient is φ = 70903248.

The previous prime is 142765243. The next prime is 142765253. The reversal of 142765244 is 442567241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142765243) 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, 119174 + ... + 120365.

It is an arithmetic number, because the mean of its divisors is an integer number (20959750).

Almost surely, 2142765244 is an apocalyptic number.

It is an amenable number.

142765244 is a deficient number, since it is larger than the sum of its proper divisors (108751756).

142765244 is a wasteful number, since it uses less digits than its factorization.

142765244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239692 (or 239690 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 142765244 is about 11948.4410698635. The cubic root of 142765244 is about 522.6458391919.

The spelling of 142765244 in words is "one hundred forty-two million, seven hundred sixty-five thousand, two hundred forty-four".

Divisors: 1 2 4 149 298 596 239539 479078 958156 35691311 71382622 142765244