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442319001 = 3147439667
BaseRepresentation
bin11010010111010…
…100000010011001
31010211022010121020
4122113110002121
51401213202001
6111520233053
713650435525
oct3227240231
91124263536
10442319001
1120774a8a3
1210416b789
137083a827
1442a5cd85
1528c72736
hex1a5d4099

442319001 has 4 divisors (see below), whose sum is σ = 589758672. Its totient is φ = 294879332.

The previous prime is 442318999. The next prime is 442319041. The reversal of 442319001 is 100913244.

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 a cyclic number.

It is not a de Polignac number, because 442319001 - 21 = 442318999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442319041) 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, 73719831 + ... + 73719836.

It is an arithmetic number, because the mean of its divisors is an integer number (147439668).

Almost surely, 2442319001 is an apocalyptic number.

It is an amenable number.

442319001 is a deficient number, since it is larger than the sum of its proper divisors (147439671).

442319001 is a wasteful number, since it uses less digits than its factorization.

442319001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147439670.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 442319001 is about 21031.3813383715. The cubic root of 442319001 is about 761.9243712873.

The spelling of 442319001 in words is "four hundred forty-two million, three hundred nineteen thousand, one".

Divisors: 1 3 147439667 442319001