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444330768 = 243717107727
BaseRepresentation
bin11010011110111…
…111001100010000
31010222002100020010
4122132333030100
51402222041033
6112031314520
714003514660
oct3236771420
91128070203
10444330768
112088a4312
1210497ba40
137109341b
14430241a0
152901d863
hex1a7bf310

444330768 has 160 divisors (see below), whose sum is σ = 1403910144. Its totient is φ = 118204416.

The previous prime is 444330727. The next prime is 444330769. The reversal of 444330768 is 867033444.

It is a super-4 number, since 4×4443307684 (a number of 36 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (444330769) 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, 610821 + ... + 611547.

Almost surely, 2444330768 is an apocalyptic number.

444330768 is a gapful number since it is divisible by the number (48) 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 444330768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (701955072).

444330768 is an abundant number, since it is smaller than the sum of its proper divisors (959579376).

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

444330768 is a wasteful number, since it uses less digits than its factorization.

444330768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 39.

The square root of 444330768 is about 21079.1548217665. The cubic root of 444330768 is about 763.0777592985.

The spelling of 444330768 in words is "four hundred forty-four million, three hundred thirty thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 17 21 24 28 34 42 48 51 56 68 84 102 107 112 119 136 168 204 214 238 272 321 336 357 408 428 476 642 714 727 749 816 856 952 1284 1428 1454 1498 1712 1819 1904 2181 2247 2568 2856 2908 2996 3638 4362 4494 5089 5136 5457 5712 5816 5992 7276 8724 8988 10178 10914 11632 11984 12359 12733 14552 15267 17448 17976 20356 21828 24718 25466 29104 30534 34896 35952 37077 38199 40712 43656 49436 50932 61068 74154 76398 77789 81424 86513 87312 98872 101864 122136 148308 152796 155578 173026 197744 203728 233367 244272 259539 296616 305592 311156 346052 466734 519078 544523 593232 611184 622312 692104 933468 1038156 1089046 1244624 1322413 1384208 1633569 1866936 2076312 2178092 2644826 3267138 3733872 3967239 4152624 4356184 5289652 6534276 7934478 8712368 9256891 10579304 13068552 15868956 18513782 21158608 26137104 27770673 31737912 37027564 55541346 63475824 74055128 111082692 148110256 222165384 444330768