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444742371 = 3249415819
BaseRepresentation
bin11010100000100…
…011101011100011
31010222212020211200
4122200203223203
51402323223441
6112044212243
714010150663
oct3240435343
91128766750
10444742371
11209055587
12104b3a083
13711a8888
14430d01a3
15290a07b6
hex1a823ae3

444742371 has 6 divisors (see below), whose sum is σ = 642405660. Its totient is φ = 296494908.

The previous prime is 444742351. The next prime is 444742379. The reversal of 444742371 is 173247444.

It is a happy number.

It is not a de Polignac number, because 444742371 - 25 = 444742339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (444742379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24707901 + ... + 24707918.

It is an arithmetic number, because the mean of its divisors is an integer number (107067610).

Almost surely, 2444742371 is an apocalyptic number.

444742371 is a deficient number, since it is larger than the sum of its proper divisors (197663289).

444742371 is a wasteful number, since it uses less digits than its factorization.

444742371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49415825 (or 49415822 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The square root of 444742371 is about 21088.9158327307. The cubic root of 444742371 is about 763.3133106668.

The spelling of 444742371 in words is "four hundred forty-four million, seven hundred forty-two thousand, three hundred seventy-one".

Divisors: 1 3 9 49415819 148247457 444742371