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142422441 = 376782021
BaseRepresentation
bin10000111110100…
…11000110101001
3100220222210212020
420133103012221
5242430004231
622044335053
73346366530
oct1037230651
9326883766
10142422441
11734370a7
123b844489
1323677b45
1414cb5317
15c784396
hex87d31a9

142422441 has 8 divisors (see below), whose sum is σ = 217024704. Its totient is φ = 81384240.

The previous prime is 142422437. The next prime is 142422487. The reversal of 142422441 is 144224241.

142422441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142422441 - 22 = 142422437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142422431) 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, 3390990 + ... + 3391031.

It is an arithmetic number, because the mean of its divisors is an integer number (27128088).

Almost surely, 2142422441 is an apocalyptic number.

It is an amenable number.

142422441 is a deficient number, since it is larger than the sum of its proper divisors (74602263).

142422441 is an equidigital number, since it uses as much as digits as its factorization.

142422441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6782031.

The product of its digits is 2048, while the sum is 24.

The square root of 142422441 is about 11934.0873551353. The cubic root of 142422441 is about 522.2271841807.

Adding to 142422441 its reverse (144224241), we get a palindrome (286646682).

The spelling of 142422441 in words is "one hundred forty-two million, four hundred twenty-two thousand, four hundred forty-one".

Divisors: 1 3 7 21 6782021 20346063 47474147 142422441