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492089142 = 23122966733
BaseRepresentation
bin11101010101001…
…010111100110110
31021021221201101210
4131111022330312
52001433323032
6120455102250
715123455136
oct3525127466
91237851353
10492089142
11232853946
12118971986
137ac4540c
14494d6ac6
152d3042cc
hex1d54af36

492089142 has 16 divisors (see below), whose sum is σ = 984993840. Its totient is φ = 163893792.

The previous prime is 492089141. The next prime is 492089161. The reversal of 492089142 is 241980294.

It is a self number, because there is not a number n which added to its sum of digits gives 492089142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492089141) 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 7 ways as a sum of consecutive naturals, for example, 25993 + ... + 40740.

It is an arithmetic number, because the mean of its divisors is an integer number (61562115).

Almost surely, 2492089142 is an apocalyptic number.

492089142 is an abundant number, since it is smaller than the sum of its proper divisors (492904698).

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

492089142 is a wasteful number, since it uses less digits than its factorization.

492089142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67967.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 492089142 is about 22183.0823376735. The cubic root of 492089142 is about 789.4923523834.

The spelling of 492089142 in words is "four hundred ninety-two million, eighty-nine thousand, one hundred forty-two".

Divisors: 1 2 3 6 1229 2458 3687 7374 66733 133466 200199 400398 82014857 164029714 246044571 492089142