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142313256 = 233217116269
BaseRepresentation
bin10000111101110…
…00011100101000
3100220210021002100
420132320130220
5242413011011
622042133400
73345433311
oct1036703450
9326707070
10142313256
1173372068
123b7b1260
132363a237
1414c87608
15c761d56
hex87b8728

142313256 has 48 divisors (see below), whose sum is σ = 408107700. Its totient is φ = 44646912.

The previous prime is 142313243. The next prime is 142313257. The reversal of 142313256 is 652313241.

It can be written as a sum of positive squares in 2 ways, for example, as 119902500 + 22410756 = 10950^2 + 4734^2 .

It is not an unprimeable number, because it can be changed into a prime (142313257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56911 + ... + 59358.

Almost surely, 2142313256 is an apocalyptic number.

It is an amenable number.

142313256 is an abundant number, since it is smaller than the sum of its proper divisors (265794444).

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

142313256 is a wasteful number, since it uses less digits than its factorization.

142313256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116298 (or 116291 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 142313256 is about 11929.5119766066. The cubic root of 142313256 is about 522.0936987744.

Adding to 142313256 its reverse (652313241), we get a palindrome (794626497).

The spelling of 142313256 in words is "one hundred forty-two million, three hundred thirteen thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 17 18 24 34 36 51 68 72 102 136 153 204 306 408 612 1224 116269 232538 348807 465076 697614 930152 1046421 1395228 1976573 2092842 2790456 3953146 4185684 5929719 7906292 8371368 11859438 15812584 17789157 23718876 35578314 47437752 71156628 142313256