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142562313 = 3215840257
BaseRepresentation
bin10000111111101…
…01010000001001
3100221020220201200
420133311100021
5242443443223
622051334413
73350521365
oct1037652011
9327226650
10142562313
11735221a3
123b8b1409
13236c66ca
1414d102a5
15c7b0a43
hex87f5409

142562313 has 6 divisors (see below), whose sum is σ = 205923354. Its totient is φ = 95041536.

The previous prime is 142562309. The next prime is 142562351. The reversal of 142562313 is 313265241.

142562313 is a `hidden beast` number, since 1 + 4 + 25 + 623 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 98962704 + 43599609 = 9948^2 + 6603^2 .

It is not a de Polignac number, because 142562313 - 22 = 142562309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142562353) 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 5 ways as a sum of consecutive naturals, for example, 7920120 + ... + 7920137.

It is an arithmetic number, because the mean of its divisors is an integer number (34320559).

Almost surely, 2142562313 is an apocalyptic number.

It is an amenable number.

142562313 is a deficient number, since it is larger than the sum of its proper divisors (63361041).

142562313 is a wasteful number, since it uses less digits than its factorization.

142562313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15840263 (or 15840260 counting only the distinct ones).

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

The square root of 142562313 is about 11939.9461054060. The cubic root of 142562313 is about 522.3980866989.

It can be divided in two parts, 1425623 and 13, that added together give a square (1425636 = 11942).

The spelling of 142562313 in words is "one hundred forty-two million, five hundred sixty-two thousand, three hundred thirteen".

Divisors: 1 3 9 15840257 47520771 142562313