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142032887 = 2635091061
BaseRepresentation
bin10000111011100…
…11111111110111
3100220021000111022
420131303333313
5242330023022
622032131355
73343155023
oct1035637767
9326230438
10142032887
11731a0457
123b696b5b
132356c739
1414c13383
15c708c42
hex8773ff7

142032887 has 8 divisors (see below), whose sum is σ = 142987680. Its totient is φ = 141081760.

The previous prime is 142032857. The next prime is 142032893. The reversal of 142032887 is 788230241.

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

It is a cyclic number.

It is not a de Polignac number, because 142032887 - 26 = 142032823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142032817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133337 + ... + 134397.

It is an arithmetic number, because the mean of its divisors is an integer number (17873460).

Almost surely, 2142032887 is an apocalyptic number.

142032887 is a deficient number, since it is larger than the sum of its proper divisors (954793).

142032887 is a wasteful number, since it uses less digits than its factorization.

142032887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 142032887 is about 11917.7551157926. The cubic root of 142032887 is about 521.7506173124.

The spelling of 142032887 in words is "one hundred forty-two million, thirty-two thousand, eight hundred eighty-seven".

Divisors: 1 263 509 1061 133867 279043 540049 142032887