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142938882 = 23223345263
BaseRepresentation
bin10001000010100…
…01001100000010
3100221222001021200
420201101030002
5243043021012
622103402030
73353650302
oct1041211402
9327861250
10142938882
117375a109
123ba53316
13237c8c28
1414dab602
15c8373dc
hex8851302

142938882 has 24 divisors (see below), whose sum is σ = 323167104. Its totient is φ = 45574584.

The previous prime is 142938877. The next prime is 142938889. The reversal of 142938882 is 288839241.

It is not an unprimeable number, because it can be changed into a prime (142938889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172218 + ... + 173045.

It is an arithmetic number, because the mean of its divisors is an integer number (13465296).

Almost surely, 2142938882 is an apocalyptic number.

142938882 is an abundant number, since it is smaller than the sum of its proper divisors (180228222).

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

142938882 is a wasteful number, since it uses less digits than its factorization.

142938882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345294 (or 345291 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 142938882 is about 11955.7049980334. The cubic root of 142938882 is about 522.8576424024.

The spelling of 142938882 in words is "one hundred forty-two million, nine hundred thirty-eight thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 345263 690526 1035789 2071578 3107367 6214734 7941049 15882098 23823147 47646294 71469441 142938882