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142898334 = 2382129009
BaseRepresentation
bin10001000010001…
…11010010011110
3100221212222122220
420201013102132
5243040221314
622102450210
73353421135
oct1041072236
9327788586
10142898334
11737316a7
123ba33966
13237b3637
1414d9a91c
15c82a3a9
hex884749e

142898334 has 16 divisors (see below), whose sum is σ = 286154640. Its totient is φ = 47573120.

The previous prime is 142898323. The next prime is 142898347. The reversal of 142898334 is 433898241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9579 + ... + 19430.

It is an arithmetic number, because the mean of its divisors is an integer number (17884665).

Almost surely, 2142898334 is an apocalyptic number.

142898334 is an abundant number, since it is smaller than the sum of its proper divisors (143256306).

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

142898334 is a wasteful number, since it uses less digits than its factorization.

142898334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29835.

The product of its digits is 165888, while the sum is 42.

The square root of 142898334 is about 11954.0091182833. The cubic root of 142898334 is about 522.8081974079.

The spelling of 142898334 in words is "one hundred forty-two million, eight hundred ninety-eight thousand, three hundred thirty-four".

Divisors: 1 2 3 6 821 1642 2463 4926 29009 58018 87027 174054 23816389 47632778 71449167 142898334