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142715306 = 2174319739
BaseRepresentation
bin10001000000110…
…10100110101010
3100221112200121002
420200122212222
5243013342211
622054515002
73352026416
oct1040324652
9327480532
10142715306
1173617138
123b965a62
132374b236
1414d4dd46
15c7e103b
hex881a9aa

142715306 has 16 divisors (see below), whose sum is σ = 227214720. Its totient is φ = 66997440.

The previous prime is 142715303. The next prime is 142715311. The reversal of 142715306 is 603517241.

142715306 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142715303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9785 + ... + 19523.

It is an arithmetic number, because the mean of its divisors is an integer number (14200920).

Almost surely, 2142715306 is an apocalyptic number.

142715306 is a deficient number, since it is larger than the sum of its proper divisors (84499414).

142715306 is a wasteful number, since it uses less digits than its factorization.

142715306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10189.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 142715306 is about 11946.3511584082. The cubic root of 142715306 is about 522.5848931452.

The spelling of 142715306 in words is "one hundred forty-two million, seven hundred fifteen thousand, three hundred six".

Divisors: 1 2 17 34 431 862 7327 9739 14654 19478 165563 331126 4197509 8395018 71357653 142715306