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442712271 = 3314760347
BaseRepresentation
bin11010011000110…
…100000011001111
31010212001010001210
4122120310003033
51401313243041
6111532505503
713653664221
oct3230640317
91125033053
10442712271
11207999311
1210431b293
1370947831
1442b22411
1528cee016
hex1a6340cf

442712271 has 8 divisors (see below), whose sum is σ = 609324544. Its totient is φ = 285620760.

The previous prime is 442712261. The next prime is 442712297. The reversal of 442712271 is 172217244.

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

It is not a de Polignac number, because 442712271 - 25 = 442712239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442712261) 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, 2380081 + ... + 2380266.

It is an arithmetic number, because the mean of its divisors is an integer number (76165568).

Almost surely, 2442712271 is an apocalyptic number.

442712271 is a deficient number, since it is larger than the sum of its proper divisors (166612273).

442712271 is a wasteful number, since it uses less digits than its factorization.

442712271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4760381.

The product of its digits is 6272, while the sum is 30.

The square root of 442712271 is about 21040.7288609497. The cubic root of 442712271 is about 762.1501157807.

The spelling of 442712271 in words is "four hundred forty-two million, seven hundred twelve thousand, two hundred seventy-one".

Divisors: 1 3 31 93 4760347 14281041 147570757 442712271