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444469073 = 607732239
BaseRepresentation
bin11010011111100…
…000111101010001
31010222100100221112
4122133200331101
51402241002243
6112034303105
714004632126
oct3237407521
91128310845
10444469073
11208989214
12104a27a95
1371111369
144305c74d
1529049818
hex1a7e0f51

444469073 has 4 divisors (see below), whose sum is σ = 445201920. Its totient is φ = 443736228.

The previous prime is 444469061. The next prime is 444469099. The reversal of 444469073 is 370964444.

It is a happy number.

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 444469073 - 224 = 427691857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444469073.

It is not an unprimeable number, because it can be changed into a prime (444469673) 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, 365513 + ... + 366726.

It is an arithmetic number, because the mean of its divisors is an integer number (111300480).

Almost surely, 2444469073 is an apocalyptic number.

It is an amenable number.

444469073 is a deficient number, since it is larger than the sum of its proper divisors (732847).

444469073 is an equidigital number, since it uses as much as digits as its factorization.

444469073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732846.

The product of its (nonzero) digits is 290304, while the sum is 41.

The square root of 444469073 is about 21082.4351771801. The cubic root of 444469073 is about 763.1569244377.

The spelling of 444469073 in words is "four hundred forty-four million, four hundred sixty-nine thousand, seventy-three".

Divisors: 1 607 732239 444469073