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142112200 = 2352710561
BaseRepresentation
bin10000111100001…
…11010111001000
3100220102001021211
420132013113020
5242340042300
622033542504
73343635166
oct1036072710
9326361254
10142112200
1173244aaa
123b714a34
1323599879
1414c34236
15c7224ba
hex87875c8

142112200 has 24 divisors (see below), whose sum is σ = 330411330. Its totient is φ = 56844800.

The previous prime is 142112189. The next prime is 142112207. The reversal of 142112200 is 2211241.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 84382596 + 57729604 = 9186^2 + 7598^2 .

It is not an unprimeable number, because it can be changed into a prime (142112207) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 355081 + ... + 355480.

Almost surely, 2142112200 is an apocalyptic number.

142112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142112200 is an abundant number, since it is smaller than the sum of its proper divisors (188299130).

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

142112200 is a wasteful number, since it uses less digits than its factorization.

142112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710577 (or 710568 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 142112200 is about 11921.0821656425. The cubic root of 142112200 is about 521.8477166704.

Adding to 142112200 its reverse (2211241), we get a palindrome (144323441).

The spelling of 142112200 in words is "one hundred forty-two million, one hundred twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 710561 1421122 2842244 3552805 5684488 7105610 14211220 17764025 28422440 35528050 71056100 142112200