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143425313 = 314626623
BaseRepresentation
bin10001000110001…
…11111100100001
3100222212202112122
420203013330201
5243204102223
622122034025
73361044413
oct1043077441
9328782478
10143425313
1173a61619
1240048915
1323939465
14150969b3
15c8d15c8
hex88c7f21

143425313 has 4 divisors (see below), whose sum is σ = 148051968. Its totient is φ = 138798660.

The previous prime is 143425297. The next prime is 143425327. The reversal of 143425313 is 313524341.

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, and also an emirpimes, since its reverse is a distinct semiprime: 313524341 = 1324117257.

It is a cyclic number.

It is not a de Polignac number, because 143425313 - 24 = 143425297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143425333) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2313281 + ... + 2313342.

It is an arithmetic number, because the mean of its divisors is an integer number (37012992).

Almost surely, 2143425313 is an apocalyptic number.

It is an amenable number.

143425313 is a deficient number, since it is larger than the sum of its proper divisors (4626655).

143425313 is an equidigital number, since it uses as much as digits as its factorization.

143425313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626654.

The product of its digits is 4320, while the sum is 26.

The square root of 143425313 is about 11976.0307698336. The cubic root of 143425313 is about 523.4500779031.

Adding to 143425313 its reverse (313524341), we get a palindrome (456949654).

The spelling of 143425313 in words is "one hundred forty-three million, four hundred twenty-five thousand, three hundred thirteen".

Divisors: 1 31 4626623 143425313