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444542201 = 3114340071
BaseRepresentation
bin11010011111110…
…010110011111001
31010222111002020222
4122133302303321
51402300322301
6112040025425
714005355255
oct3237626371
91128432228
10444542201
11208a29154
12104a62275
137113872c
144307b265
152906131b
hex1a7f2cf9

444542201 has 4 divisors (see below), whose sum is σ = 458882304. Its totient is φ = 430202100.

The previous prime is 444542191. The next prime is 444542209. The reversal of 444542201 is 102245444.

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 a de Polignac number, because none of the positive numbers 2k-444542201 is a prime.

It is a super-5 number, since 5×4445422015 (a number of 44 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444542209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7170005 + ... + 7170066.

It is an arithmetic number, because the mean of its divisors is an integer number (114720576).

Almost surely, 2444542201 is an apocalyptic number.

It is an amenable number.

444542201 is a deficient number, since it is larger than the sum of its proper divisors (14340103).

444542201 is a wasteful number, since it uses less digits than its factorization.

444542201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14340102.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 444542201 is about 21084.1694406016. The cubic root of 444542201 is about 763.1987759279.

Adding to 444542201 its reverse (102245444), we get a palindrome (546787645).

The spelling of 444542201 in words is "four hundred forty-four million, five hundred forty-two thousand, two hundred one".

Divisors: 1 31 14340071 444542201