Search a number
-
+
142331353 = 270752579
BaseRepresentation
bin10000111101111…
…00110111011001
3100220211011220121
420132330313121
5242414100403
622042353241
73345540133
oct1036746731
9326734817
10142331353
117338471a
123b7bb821
1323645548
1414c90053
15c7673bd
hex87bcdd9

142331353 has 4 divisors (see below), whose sum is σ = 142386640. Its totient is φ = 142276068.

The previous prime is 142331347. The next prime is 142331359. The reversal of 142331353 is 353133241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (142331347) and next prime (142331359).

It is a cyclic number.

It is not a de Polignac number, because 142331353 - 29 = 142330841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142331359) 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, 23583 + ... + 28996.

It is an arithmetic number, because the mean of its divisors is an integer number (35596660).

Almost surely, 2142331353 is an apocalyptic number.

It is an amenable number.

142331353 is a deficient number, since it is larger than the sum of its proper divisors (55287).

142331353 is an equidigital number, since it uses as much as digits as its factorization.

142331353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55286.

The product of its digits is 3240, while the sum is 25.

The square root of 142331353 is about 11930.2704495749. The cubic root of 142331353 is about 522.1158281939.

Adding to 142331353 its reverse (353133241), we get a palindrome (495464594).

The spelling of 142331353 in words is "one hundred forty-two million, three hundred thirty-one thousand, three hundred fifty-three".

Divisors: 1 2707 52579 142331353