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142324258 = 271162129
BaseRepresentation
bin10000111101110…
…11001000100010
3100220210211011211
420132323020202
5242413334013
622042300334
73345510346
oct1036731042
9326724154
10142324258
117337a35a
123b7b76aa
132364224b
1414c8b626
15c76523d
hex87bb222

142324258 has 4 divisors (see below), whose sum is σ = 213486390. Its totient is φ = 71162128.

The previous prime is 142324249. The next prime is 142324277. The reversal of 142324258 is 852423241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 852423241 = 3732285317.

It can be written as a sum of positive squares in only one way, i.e., 141063129 + 1261129 = 11877^2 + 1123^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 35581063 + ... + 35581066.

Almost surely, 2142324258 is an apocalyptic number.

142324258 is a deficient number, since it is larger than the sum of its proper divisors (71162132).

142324258 is an equidigital number, since it uses as much as digits as its factorization.

142324258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71162131.

The product of its digits is 15360, while the sum is 31.

The square root of 142324258 is about 11929.9730930124. The cubic root of 142324258 is about 522.1071524915.

Adding to 142324258 its reverse (852423241), we get a palindrome (994747499).

The spelling of 142324258 in words is "one hundred forty-two million, three hundred twenty-four thousand, two hundred fifty-eight".

Divisors: 1 2 71162129 142324258