Search a number
-
+
105739218 = 2321317191399
BaseRepresentation
bin1100100110101…
…11001111010010
321100222002221100
412103113033102
5204032123333
614254205230
72422524414
oct623271722
9240862840
10105739218
1154761492
122b4b3816
1318ba2bb0
14100869b4
15943a213
hex64d73d2

105739218 has 96 divisors (see below), whose sum is σ = 275184000. Its totient is φ = 28988928.

The previous prime is 105739217. The next prime is 105739243. The reversal of 105739218 is 812937501.

It is a super-2 number, since 2×1057392182 = 22361564446503048, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105739213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74883 + ... + 76281.

It is an arithmetic number, because the mean of its divisors is an integer number (2866500).

Almost surely, 2105739218 is an apocalyptic number.

105739218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 105739218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137592000).

105739218 is an abundant number, since it is smaller than the sum of its proper divisors (169444782).

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

105739218 is a wasteful number, since it uses less digits than its factorization.

105739218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456 (or 1453 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 105739218 is about 10282.9576484589. The cubic root of 105739218 is about 472.8739225376.

It can be divided in two parts, 10573 and 9218, that added together give a palindrome (19791).

The spelling of 105739218 in words is "one hundred five million, seven hundred thirty-nine thousand, two hundred eighteen".

Divisors: 1 2 3 6 9 13 17 18 19 26 34 38 39 51 57 78 102 114 117 153 171 221 234 247 306 323 342 442 494 646 663 741 969 1326 1399 1482 1938 1989 2223 2798 2907 3978 4197 4199 4446 5814 8394 8398 12591 12597 18187 23783 25182 25194 26581 36374 37791 47566 53162 54561 71349 75582 79743 109122 142698 159486 163683 214047 239229 309179 327366 345553 428094 451877 478458 618358 691106 903754 927537 1036659 1355631 1855074 2073318 2711262 2782611 3109977 4066893 5565222 5874401 6219954 8133786 11748802 17623203 35246406 52869609 105739218