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444234331 = 5097391181
BaseRepresentation
bin11010011110100…
…111101001011011
31010221220102221101
4122132213221123
51402210444311
6112025252231
714002633552
oct3236475133
91127812841
10444234331
11208838912
12104934077
137105b568
1442ddad99
1528eeeec1
hex1a7a7a5b

444234331 has 8 divisors (see below), whose sum is σ = 446086800. Its totient is φ = 442386720.

The previous prime is 444234317. The next prime is 444234337. The reversal of 444234331 is 133432444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444234331 - 29 = 444233819 is a prime.

It is a super-2 number, since 2×4442343312 = 394688281678035122, which contains 22 as substring.

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 444234331.

It is not an unprimeable number, because it can be changed into a prime (444234337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375561 + ... + 376741.

It is an arithmetic number, because the mean of its divisors is an integer number (55760850).

Almost surely, 2444234331 is an apocalyptic number.

444234331 is a deficient number, since it is larger than the sum of its proper divisors (1852469).

444234331 is a wasteful number, since it uses less digits than its factorization.

444234331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429.

The product of its digits is 13824, while the sum is 28.

The square root of 444234331 is about 21076.8672007962. The cubic root of 444234331 is about 763.0225494865.

Adding to 444234331 its reverse (133432444), we get a palindrome (577666775).

The spelling of 444234331 in words is "four hundred forty-four million, two hundred thirty-four thousand, three hundred thirty-one".

Divisors: 1 509 739 1181 376151 601129 872759 444234331