Search a number
-
+
143425371 = 347808457
BaseRepresentation
bin10001000110001…
…11111101011011
3100222212202121210
420203013331123
5243204102441
622122034203
73361044525
oct1043077533
9328782553
10143425371
1173a61671
1240048963
13239394ab
1415096a15
15c8d1616
hex88c7f5b

143425371 has 4 divisors (see below), whose sum is σ = 191233832. Its totient is φ = 95616912.

The previous prime is 143425333. The next prime is 143425391. The reversal of 143425371 is 173524341.

It is a happy number.

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

It is not a de Polignac number, because 143425371 - 213 = 143417179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143425391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23904226 + ... + 23904231.

It is an arithmetic number, because the mean of its divisors is an integer number (47808458).

Almost surely, 2143425371 is an apocalyptic number.

143425371 is a deficient number, since it is larger than the sum of its proper divisors (47808461).

143425371 is an equidigital number, since it uses as much as digits as its factorization.

143425371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47808460.

The product of its digits is 10080, while the sum is 30.

The square root of 143425371 is about 11976.0331913368. The cubic root of 143425371 is about 523.4501484628.

The spelling of 143425371 in words is "one hundred forty-three million, four hundred twenty-five thousand, three hundred seventy-one".

Divisors: 1 3 47808457 143425371