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444664201 = 1923403379
BaseRepresentation
bin11010100000010…
…000100110001001
31010222201021121111
4122200100212021
51402313223301
6112042410321
714006404042
oct3240204611
91128637544
10444664201
11209001883
12104b009a1
137117c117
14430ad8c9
1529087551
hex1a810989

444664201 has 4 divisors (see below), whose sum is σ = 468067600. Its totient is φ = 421260804.

The previous prime is 444664183. The next prime is 444664249. The reversal of 444664201 is 102466444.

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 444664201 - 217 = 444533129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444664271) 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, 11701671 + ... + 11701708.

It is an arithmetic number, because the mean of its divisors is an integer number (117016900).

Almost surely, 2444664201 is an apocalyptic number.

It is an amenable number.

444664201 is a deficient number, since it is larger than the sum of its proper divisors (23403399).

444664201 is a wasteful number, since it uses less digits than its factorization.

444664201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23403398.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 444664201 is about 21087.0624080264. The cubic root of 444664201 is about 763.2685868735.

The spelling of 444664201 in words is "four hundred forty-four million, six hundred sixty-four thousand, two hundred one".

Divisors: 1 19 23403379 444664201