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142285042 = 2283251387
BaseRepresentation
bin10000111101100…
…01100011110010
3100220201211101101
420132301203302
5242411110132
622041355014
73345255124
oct1036614362
9326654341
10142285042
1173352949
123b798a6a
132362a443
1414c7b214
15c7587e7
hex87b18f2

142285042 has 8 divisors (see below), whose sum is σ = 214182576. Its totient is φ = 70890852.

The previous prime is 142285037. The next prime is 142285051. The reversal of 142285042 is 240582241.

142285042 is digitally balanced in base 2, 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.

It is a self number, because there is not a number n which added to its sum of digits gives 142285042.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125128 + ... + 126259.

It is an arithmetic number, because the mean of its divisors is an integer number (26772822).

Almost surely, 2142285042 is an apocalyptic number.

142285042 is a deficient number, since it is larger than the sum of its proper divisors (71897534).

142285042 is a wasteful number, since it uses less digits than its factorization.

142285042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251672.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 142285042 is about 11928.3293884768. The cubic root of 142285042 is about 522.0591943167.

The spelling of 142285042 in words is "one hundred forty-two million, two hundred eighty-five thousand, forty-two".

Divisors: 1 2 283 566 251387 502774 71142521 142285042