Search a number
-
+
105805336 = 23713237189
BaseRepresentation
bin1100100111001…
…11011000011000
321101002110122011
412103213120120
5204041232321
614255435304
72423221240
oct623473030
9241073564
10105805336
11547a712a
122b525b34
1318bc7010
14100a2b20
15944eae1
hex64e7618

105805336 has 128 divisors (see below), whose sum is σ = 261273600. Its totient is φ = 39029760.

The previous prime is 105805333. The next prime is 105805339. The reversal of 105805336 is 633508501.

It is an interprime number because it is at equal distance from previous prime (105805333) and next prime (105805339).

It is a super-2 number, since 2×1058053362 = 22389538252145792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105805298 and 105805307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105805333) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1188780 + ... + 1188868.

It is an arithmetic number, because the mean of its divisors is an integer number (2041200).

Almost surely, 2105805336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105805336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130636800).

105805336 is an abundant number, since it is smaller than the sum of its proper divisors (155468264).

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

105805336 is a wasteful number, since it uses less digits than its factorization.

105805336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 105805336 is about 10286.1720771140. The cubic root of 105805336 is about 472.9724635967.

The spelling of 105805336 in words is "one hundred five million, eight hundred five thousand, three hundred thirty-six".

Divisors: 1 2 4 7 8 13 14 23 26 28 46 52 56 71 89 91 92 104 142 161 178 182 184 284 299 322 356 364 497 568 598 623 644 712 728 923 994 1157 1196 1246 1288 1633 1846 1988 2047 2093 2314 2392 2492 3266 3692 3976 4094 4186 4628 4984 6319 6461 6532 7384 8099 8188 8372 9256 11431 12638 12922 13064 14329 16198 16376 16744 21229 22862 25276 25844 26611 28658 32396 42458 44233 45724 50552 51688 53222 57316 64792 82147 84916 88466 91448 106444 114632 145337 148603 164294 169832 176932 186277 212888 290674 297206 328588 353864 372554 575029 581348 594412 657176 745108 1017359 1150058 1162696 1188824 1490216 1889381 2034718 2300116 3778762 4069436 4600232 7557524 8138872 13225667 15115048 26451334 52902668 105805336