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142541200 = 2452461773
BaseRepresentation
bin10000111111100…
…00000110010000
3100221012211202201
420133300012100
5242442304300
622051052544
73350403004
oct1037600620
9327184681
10142541200
117350834a
123b8a1154
13236b9c09
1414d06704
15c7a966a
hex87f0190

142541200 has 60 divisors (see below), whose sum is σ = 343642068. Its totient is φ = 56819200.

The previous prime is 142541167. The next prime is 142541207. The reversal of 142541200 is 2145241.

It can be written as a sum of positive squares in 6 ways, for example, as 32626944 + 109914256 = 5712^2 + 10484^2 .

It is not an unprimeable number, because it can be changed into a prime (142541207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184014 + ... + 184786.

Almost surely, 2142541200 is an apocalyptic number.

142541200 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 142541200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171821034).

142541200 is an abundant number, since it is smaller than the sum of its proper divisors (201100868).

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

142541200 is a wasteful number, since it uses less digits than its factorization.

142541200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 142541200 is about 11939.0619397003. The cubic root of 142541200 is about 522.3722969580.

Adding to 142541200 its reverse (2145241), we get a palindrome (144686441).

The spelling of 142541200 in words is "one hundred forty-two million, five hundred forty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 461 773 922 1546 1844 2305 3092 3688 3865 4610 6184 7376 7730 9220 11525 12368 15460 18440 19325 23050 30920 36880 38650 46100 61840 77300 92200 154600 184400 309200 356353 712706 1425412 1781765 2850824 3563530 5701648 7127060 8908825 14254120 17817650 28508240 35635300 71270600 142541200