Search a number
-
+
105763728 = 24371916567
BaseRepresentation
bin1100100110111…
…01001110010000
321101000100120010
412103131032100
5204033414403
614254514520
72422656030
oct623351620
9241010503
10105763728
1154778944
122b505a40
1318bb10b5
14100918c0
159442603
hex64dd390

105763728 has 80 divisors (see below), whose sum is σ = 328709120. Its totient is φ = 28626048.

The previous prime is 105763727. The next prime is 105763733. The reversal of 105763728 is 827367501.

It is a super-2 number, since 2×1057637282 = 22371932320915968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105763727) 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 15 ways as a sum of consecutive naturals, for example, 1900 + ... + 14667.

It is an arithmetic number, because the mean of its divisors is an integer number (4108864).

Almost surely, 2105763728 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 105763728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164354560).

105763728 is an abundant number, since it is smaller than the sum of its proper divisors (222945392).

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

105763728 is a wasteful number, since it uses less digits than its factorization.

105763728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16604 (or 16598 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 105763728 is about 10284.1493571418. The cubic root of 105763728 is about 472.9104565838.

It can be divided in two parts, 105763 and 728, that added together give a triangular number (106491 = T461).

The spelling of 105763728 in words is "one hundred five million, seven hundred sixty-three thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 19 21 24 28 38 42 48 56 57 76 84 112 114 133 152 168 228 266 304 336 399 456 532 798 912 1064 1596 2128 3192 6384 16567 33134 49701 66268 99402 115969 132536 198804 231938 265072 314773 347907 397608 463876 629546 695814 795216 927752 944319 1259092 1391628 1855504 1888638 2203411 2518184 2783256 3777276 4406822 5036368 5566512 6610233 7554552 8813644 13220466 15109104 17627288 26440932 35254576 52881864 105763728