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444354894 = 232231073321
BaseRepresentation
bin11010011111000…
…101000101001110
31010222010120022200
4122133011011032
51402223324034
6112032022330
714003645214
oct3237050516
91128116280
10444354894
11208910455
121049919a6
13710a13b9
144302ccb4
1529025a99
hex1a7c514e

444354894 has 24 divisors (see below), whose sum is σ = 1004629392. Its totient is φ = 141678240.

The previous prime is 444354893. The next prime is 444354923. The reversal of 444354894 is 498453444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444354893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 536247 + ... + 537074.

It is an arithmetic number, because the mean of its divisors is an integer number (41859558).

Almost surely, 2444354894 is an apocalyptic number.

444354894 is an abundant number, since it is smaller than the sum of its proper divisors (560274498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444354894 is a wasteful number, since it uses less digits than its factorization.

444354894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073352 (or 1073349 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 45.

The square root of 444354894 is about 21079.7270855199. The cubic root of 444354894 is about 763.0915700915.

The spelling of 444354894 in words is "four hundred forty-four million, three hundred fifty-four thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 1073321 2146642 3219963 6439926 9659889 19319778 24686383 49372766 74059149 148118298 222177447 444354894