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142685412 = 22341290011
BaseRepresentation
bin10001000000100…
…11010011100100
3100221111011120220
420200103103210
5243011413122
622054124340
73351543312
oct1040232344
9327434526
10142685412
11735a6731
123b9506b0
132373a74c
1414d430b2
15c7d725c
hex88134e4

142685412 has 24 divisors (see below), whose sum is σ = 341054112. Its totient is φ = 46401600.

The previous prime is 142685407. The next prime is 142685419. The reversal of 142685412 is 214586241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (142685419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144514 + ... + 145497.

It is an arithmetic number, because the mean of its divisors is an integer number (14210588).

Almost surely, 2142685412 is an apocalyptic number.

142685412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142685412 is an abundant number, since it is smaller than the sum of its proper divisors (198368700).

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

142685412 is a wasteful number, since it uses less digits than its factorization.

142685412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290059 (or 290057 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 142685412 is about 11945.0999158651. The cubic root of 142685412 is about 522.5484026801.

The spelling of 142685412 in words is "one hundred forty-two million, six hundred eighty-five thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 290011 580022 870033 1160044 1740066 3480132 11890451 23780902 35671353 47561804 71342706 142685412