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1444680672 = 253176411381
BaseRepresentation
bin101011000011100…
…0001001111100000
310201200102101022120
41112013001033200
510424314240142
6355204304240
750541404001
oct12607011740
93650371276
101444680672
11681536a76
123439a2080
131a03c3946
14d9c231a8
1586c6d7ec
hex561c13e0

1444680672 has 96 divisors (see below), whose sum is σ = 4024538784. Its totient is φ = 452198400.

The previous prime is 1444680619. The next prime is 1444680683. The reversal of 1444680672 is 2760864441.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1045422 + ... + 1046802.

It is an arithmetic number, because the mean of its divisors is an integer number (41922279).

Almost surely, 21444680672 is an apocalyptic number.

1444680672 is a gapful number since it is divisible by the number (12) 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 1444680672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2012269392).

1444680672 is an abundant number, since it is smaller than the sum of its proper divisors (2579858112).

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

1444680672 is a wasteful number, since it uses less digits than its factorization.

1444680672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052 (or 2044 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 1444680672 is about 38008.9551553315. The cubic root of 1444680672 is about 1130.4654338706.

The spelling of 1444680672 in words is "one billion, four hundred forty-four million, six hundred eighty thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 68 96 102 136 204 272 408 544 641 816 1282 1381 1632 1923 2564 2762 3846 4143 5128 5524 7692 8286 10256 10897 11048 15384 16572 20512 21794 22096 23477 30768 32691 33144 43588 44192 46954 61536 65382 66288 70431 87176 93908 130764 132576 140862 174352 187816 261528 281724 348704 375632 523056 563448 751264 885221 1046112 1126896 1770442 2253792 2655663 3540884 5311326 7081768 10622652 14163536 15048757 21245304 28327072 30097514 42490608 45146271 60195028 84981216 90292542 120390056 180585084 240780112 361170168 481560224 722340336 1444680672