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142757568 = 26321761239
BaseRepresentation
bin10001000001001…
…00111011000000
3100221121211120100
420200210323000
5243021220233
622055442400
73352263552
oct1040447300
9327554510
10142757568
1173645968
123b986400
1323764545
1414d614d2
15c7ed813
hex8824ec0

142757568 has 168 divisors, whose sum is σ = 442203840. Its totient is φ = 43868160.

The previous prime is 142757543. The next prime is 142757569. The reversal of 142757568 is 865757241.

142757568 is a `hidden beast` number, since 14 + 2 + 7 + 575 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (142757569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 597193 + ... + 597431.

Almost surely, 2142757568 is an apocalyptic number.

142757568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142757568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221101920).

142757568 is an abundant number, since it is smaller than the sum of its proper divisors (299446272).

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

142757568 is a wasteful number, since it uses less digits than its factorization.

142757568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 322 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 142757568 is about 11948.1198520939. The cubic root of 142757568 is about 522.6364720629.

The spelling of 142757568 in words is "one hundred forty-two million, seven hundred fifty-seven thousand, five hundred sixty-eight".