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142642050 = 2352950947
BaseRepresentation
bin10001000000010…
…00101110000010
3100221101222002220
420200020232002
5243004021200
622053151510
73351303015
oct1040105602
9327358086
10142642050
11735770a1
123b92b596
1323723aa5
1414d3137c
15c7c94a0
hex8808b82

142642050 has 24 divisors (see below), whose sum is σ = 353752656. Its totient is φ = 38037840.

The previous prime is 142642037. The next prime is 142642091. The reversal of 142642050 is 50246241.

It is a self number, because there is not a number n which added to its sum of digits gives 142642050.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 475324 + ... + 475623.

It is an arithmetic number, because the mean of its divisors is an integer number (14739694).

Almost surely, 2142642050 is an apocalyptic number.

142642050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142642050 is an abundant number, since it is smaller than the sum of its proper divisors (211110606).

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

142642050 is a wasteful number, since it uses less digits than its factorization.

142642050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950962 (or 950957 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 142642050 is about 11943.2847240615. The cubic root of 142642050 is about 522.4954632818.

Adding to 142642050 its reverse (50246241), we get a palindrome (192888291).

The spelling of 142642050 in words is "one hundred forty-two million, six hundred forty-two thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 950947 1901894 2852841 4754735 5705682 9509470 14264205 23773675 28528410 47547350 71321025 142642050