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142442116 = 22172094737
BaseRepresentation
bin10000111110101…
…11111010000100
3100221000210211221
420133113322010
5242431121431
622045010124
73346511065
oct1037277204
9327023757
10142442116
117344a963
123b853944
1323683a9b
1414cbc56c
15c78a111
hex87d7e84

142442116 has 12 divisors (see below), whose sum is σ = 263936988. Its totient is φ = 67031552.

The previous prime is 142442093. The next prime is 142442129. The reversal of 142442116 is 611244241.

142442116 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 45616516 + 96825600 = 6754^2 + 9840^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1047301 + ... + 1047436.

It is an arithmetic number, because the mean of its divisors is an integer number (21994749).

Almost surely, 2142442116 is an apocalyptic number.

It is an amenable number.

142442116 is a deficient number, since it is larger than the sum of its proper divisors (121494872).

142442116 is a wasteful number, since it uses less digits than its factorization.

142442116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094758 (or 2094756 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 142442116 is about 11934.9116460911. The cubic root of 142442116 is about 522.2512308283.

Adding to 142442116 its reverse (611244241), we get a palindrome (753686357).

The spelling of 142442116 in words is "one hundred forty-two million, four hundred forty-two thousand, one hundred sixteen".

Divisors: 1 2 4 17 34 68 2094737 4189474 8378948 35610529 71221058 142442116