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105759444 = 223721311373
BaseRepresentation
bin1100100110111…
…00001011010100
321101000010200110
412103130023110
5204033300234
614254443020
72422640400
oct623341324
9241003613
10105759444
11547756aa
122b503470
1318bac16b
1410090100
1594411e9
hex64dc2d4

105759444 has 72 divisors (see below), whose sum is σ = 289463328. Its totient is φ = 29964480.

The previous prime is 105759427. The next prime is 105759469. The reversal of 105759444 is 444957501.

It is a super-2 number, since 2×1057594442 = 22370119990378272, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 76342 + ... + 77714.

It is an arithmetic number, because the mean of its divisors is an integer number (4020324).

Almost surely, 2105759444 is an apocalyptic number.

105759444 is a gapful number since it is divisible by the number (14) 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 105759444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144731664).

105759444 is an abundant number, since it is smaller than the sum of its proper divisors (183703884).

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

105759444 is a wasteful number, since it uses less digits than its factorization.

105759444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525 (or 1516 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 105759444 is about 10283.9410733434. The cubic root of 105759444 is about 472.9040713584.

The spelling of 105759444 in words is "one hundred five million, seven hundred fifty-nine thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 131 147 196 262 294 393 524 588 786 917 1373 1572 1834 2746 2751 3668 4119 5492 5502 6419 8238 9611 11004 12838 16476 19222 19257 25676 28833 38444 38514 57666 67277 77028 115332 134554 179863 201831 269108 359726 403662 539589 719452 807324 1079178 1259041 2158356 2518082 3777123 5036164 7554246 8813287 15108492 17626574 26439861 35253148 52879722 105759444