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142142334 = 2323690389
BaseRepresentation
bin10000111100011…
…10101101111110
3100220110120121220
420132032231332
5242342023314
622034334210
73344122065
oct1036165576
9326416556
10142142334
1173265704
123b72a366
13235aa4b9
1414c411dc
15c72b3a9
hex878eb7e

142142334 has 8 divisors (see below), whose sum is σ = 284284680. Its totient is φ = 47380776.

The previous prime is 142142333. The next prime is 142142353. The reversal of 142142334 is 433241241.

142142334 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

142142334 is an admirable number.

It is a super-2 number, since 2×1421423342 = 40408886229935112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142142333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11845189 + ... + 11845200.

It is an arithmetic number, because the mean of its divisors is an integer number (35535585).

Almost surely, 2142142334 is an apocalyptic number.

142142334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142142334 is a wasteful number, since it uses less digits than its factorization.

142142334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23690394.

The product of its digits is 2304, while the sum is 24.

The square root of 142142334 is about 11922.3459939728. The cubic root of 142142334 is about 521.8845989079.

Adding to 142142334 its reverse (433241241), we get a palindrome (575383575).

The spelling of 142142334 in words is "one hundred forty-two million, one hundred forty-two thousand, three hundred thirty-four".

Divisors: 1 2 3 6 23690389 47380778 71071167 142142334