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142242200 = 23522812531
BaseRepresentation
bin10000111101001…
…11000110011000
3100220122122121122
420132213012120
5242403222300
622040424412
73345016202
oct1036470630
9326578548
10142242200
1173323741
123b778108
1323613aa9
1414c69772
15c74ac85
hex87a7198

142242200 has 48 divisors (see below), whose sum is σ = 332021160. Its totient is φ = 56672000.

The previous prime is 142242173. The next prime is 142242211. The reversal of 142242200 is 2242241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54935 + ... + 57465.

Almost surely, 2142242200 is an apocalyptic number.

142242200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142242200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166010580).

142242200 is an abundant number, since it is smaller than the sum of its proper divisors (189778960).

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

142242200 is a wasteful number, since it uses less digits than its factorization.

142242200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828 (or 2819 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 142242200 is about 11926.5334443836. The cubic root of 142242200 is about 522.0067917477.

Adding to 142242200 its reverse (2242241), we get a palindrome (144484441).

The spelling of 142242200 in words is "one hundred forty-two million, two hundred forty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 281 562 1124 1405 2248 2531 2810 5062 5620 7025 10124 11240 12655 14050 20248 25310 28100 50620 56200 63275 101240 126550 253100 506200 711211 1422422 2844844 3556055 5689688 7112110 14224220 17780275 28448440 35560550 71121100 142242200