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142260351 = 347420117
BaseRepresentation
bin10000111101010…
…11100001111111
3100220200120111220
420132223201333
5242404312401
622041044423
73345123132
oct1036534177
9326616456
10142260351
1173336342
123b786713
132361c12c
1414c72219
15c751336
hex87ab87f

142260351 has 4 divisors (see below), whose sum is σ = 189680472. Its totient is φ = 94840232.

The previous prime is 142260347. The next prime is 142260361. The reversal of 142260351 is 153062241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142260351 - 22 = 142260347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142260311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23710056 + ... + 23710061.

It is an arithmetic number, because the mean of its divisors is an integer number (47420118).

Almost surely, 2142260351 is an apocalyptic number.

142260351 is a deficient number, since it is larger than the sum of its proper divisors (47420121).

142260351 is an equidigital number, since it uses as much as digits as its factorization.

142260351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47420120.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 142260351 is about 11927.2943704765. The cubic root of 142260351 is about 522.0289945874.

The spelling of 142260351 in words is "one hundred forty-two million, two hundred sixty thousand, three hundred fifty-one".

Divisors: 1 3 47420117 142260351