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444061312 = 27191571163
BaseRepresentation
bin11010011101111…
…101011010000000
31010221120122121021
4122131331122000
51402134430222
6112021435224
714001313252
oct3235753200
91127518537
10444061312
1120872a922
1210486bb14
1370cca896
1442d93cd2
1528eb8ac7
hex1a77d680

444061312 has 64 divisors (see below), whose sum is σ = 937951200. Its totient is φ = 208825344.

The previous prime is 444061297. The next prime is 444061337. The reversal of 444061312 is 213160444.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×4440613122 = 394380897630322688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381243 + ... + 382405.

Almost surely, 2444061312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444061312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468975600).

444061312 is an abundant number, since it is smaller than the sum of its proper divisors (493889888).

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

444061312 is a wasteful number, since it uses less digits than its factorization.

444061312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353 (or 1341 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 444061312 is about 21072.7623248591. The cubic root of 444061312 is about 762.9234767433.

The spelling of 444061312 in words is "four hundred forty-four million, sixty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 157 304 314 608 628 1163 1216 1256 2326 2432 2512 2983 4652 5024 5966 9304 10048 11932 18608 20096 22097 23864 37216 44194 47728 74432 88388 95456 148864 176776 182591 190912 353552 365182 381824 707104 730364 1414208 1460728 2828416 2921456 3469229 5842912 6938458 11685824 13876916 23371648 27753832 55507664 111015328 222030656 444061312