Search a number
-
+
105685164 = 223213229599
BaseRepresentation
bin1100100110010…
…10000010101100
321100212100210100
412103022002230
5204023411124
614253111100
72422211004
oct623120254
9240770710
10105685164
1154724912
122b488490
1318b84400
1410071004
1594291c9
hex64ca0ac

105685164 has 108 divisors (see below), whose sum is σ = 299754000. Its totient is φ = 31344768.

The previous prime is 105685159. The next prime is 105685199. The reversal of 105685164 is 461586501.

It is a super-2 number, since 2×1056851642 = 22338707779413792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 176137 + ... + 176735.

It is an arithmetic number, because the mean of its divisors is an integer number (2775500).

Almost surely, 2105685164 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 105685164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149877000).

105685164 is an abundant number, since it is smaller than the sum of its proper divisors (194068836).

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

105685164 is a wasteful number, since it uses less digits than its factorization.

105685164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 105685164 is about 10280.3289830628. The cubic root of 105685164 is about 472.7933309202.

The spelling of 105685164 in words is "one hundred five million, six hundred eighty-five thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 13 18 26 29 36 39 52 58 78 87 116 117 156 169 174 234 261 338 348 377 468 507 522 599 676 754 1014 1044 1131 1198 1508 1521 1797 2028 2262 2396 3042 3393 3594 4524 4901 5391 6084 6786 7188 7787 9802 10782 13572 14703 15574 17371 19604 21564 23361 29406 31148 34742 44109 46722 52113 58812 69484 70083 88218 93444 101231 104226 140166 156339 176436 202462 208452 225823 280332 303693 312678 404924 451646 607386 625356 677469 903292 911079 1214772 1354938 1822158 2032407 2709876 2935699 3644316 4064814 5871398 8129628 8807097 11742796 17614194 26421291 35228388 52842582 105685164