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444342234 = 23729491743
BaseRepresentation
bin11010011111000…
…001111111011010
31010222002220221210
4122133001333122
51402222422414
6112031443550
714003563260
oct3237017732
91128086853
10444342234
11208901996
121049865b6
13710986cb
1443028430
1529021e59
hex1a7c1fda

444342234 has 64 divisors (see below), whose sum is σ = 1054218240. Its totient is φ = 122162880.

The previous prime is 444342233. The next prime is 444342247. The reversal of 444342234 is 432243444.

It is a super-2 number, since 2×4443422342 = 394880041832221512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (444342233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 597667 + ... + 598409.

It is an arithmetic number, because the mean of its divisors is an integer number (16472160).

Almost surely, 2444342234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444342234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527109120).

444342234 is an abundant number, since it is smaller than the sum of its proper divisors (609876006).

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

444342234 is a wasteful number, since it uses less digits than its factorization.

444342234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275.

The product of its digits is 36864, while the sum is 30.

The square root of 444342234 is about 21079.4267948633. The cubic root of 444342234 is about 763.0843230080.

Adding to 444342234 its reverse (432243444), we get a palindrome (876585678).

The spelling of 444342234 in words is "four hundred forty-four million, three hundred forty-two thousand, two hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 29 42 58 87 174 203 406 491 609 743 982 1218 1473 1486 2229 2946 3437 4458 5201 6874 10311 10402 14239 15603 20622 21547 28478 31206 42717 43094 64641 85434 99673 129282 150829 199346 299019 301658 364813 452487 598038 729626 904974 1094439 2188878 2553691 5107382 7661073 10579577 15322146 21159154 31738731 63477462 74057039 148114078 222171117 444342234