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2744444472 = 2337115925171
BaseRepresentation
bin1010001110010100…
…1110011000111000
321002021011020001120
42203211032120320
521110034210342
61132154545240
7125003251560
oct24345163070
97067136046
102744444472
111189192830
12647138220
13349778253
141c06c1da0
15110e13aec
hexa394e638

2744444472 has 128 divisors (see below), whose sum is σ = 8699443200. Its totient is φ = 700732800.

The previous prime is 2744444471. The next prime is 2744444489.

2744444472 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2744444471) 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, 96447 + ... + 121617.

It is an arithmetic number, because the mean of its divisors is an integer number (67964400).

Almost surely, 22744444472 is an apocalyptic number.

2744444472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2744444472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4349721600).

2744444472 is an abundant number, since it is smaller than the sum of its proper divisors (5954998728).

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

2744444472 is a wasteful number, since it uses less digits than its factorization.

2744444472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25257 (or 25253 counting only the distinct ones).

The product of its digits is 802816, while the sum is 42.

The square root of 2744444472 is about 52387.4457480034. The cubic root of 2744444472 is about 1400.0755863952.

The spelling of 2744444472 in words is "two billion, seven hundred forty-four million, four hundred forty-four thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 42 44 56 59 66 77 84 88 118 132 154 168 177 231 236 264 308 354 413 462 472 616 649 708 826 924 1239 1298 1416 1652 1848 1947 2478 2596 3304 3894 4543 4956 5192 7788 9086 9912 13629 15576 18172 25171 27258 36344 50342 54516 75513 100684 109032 151026 176197 201368 276881 302052 352394 528591 553762 604104 704788 830643 1057182 1107524 1409576 1485089 1661286 1938167 2114364 2215048 2970178 3322572 3876334 4228728 4455267 5814501 5940356 6645144 7752668 8910534 10395623 11629002 11880712 15505336 16335979 17821068 20791246 23258004 31186869 32671958 35642136 41582492 46516008 49007937 62373738 65343916 83164984 98015874 114351853 124747476 130687832 196031748 228703706 249494952 343055559 392063496 457407412 686111118 914814824 1372222236 2744444472