Search a number
-
+
105383155 = 521076631
BaseRepresentation
bin1100100100000…
…00010011110011
321100022000111211
412102000103303
5203434230110
614242420551
72416512343
oct622002363
9240260454
10105383155
1154538a19
122b361757
1318aa9ac7
14ddd2d23
1593b998a
hex64804f3

105383155 has 4 divisors (see below), whose sum is σ = 126459792. Its totient is φ = 84306520.

The previous prime is 105383147. The next prime is 105383183. The reversal of 105383155 is 551383501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 105383155 - 23 = 105383147 is a prime.

It is a super-2 number, since 2×1053831552 = 22211218715508050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 10538311 + ... + 10538320.

It is an arithmetic number, because the mean of its divisors is an integer number (31614948).

Almost surely, 2105383155 is an apocalyptic number.

105383155 is a deficient number, since it is larger than the sum of its proper divisors (21076637).

105383155 is an equidigital number, since it uses as much as digits as its factorization.

105383155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21076636.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 105383155 is about 10265.6297907143. The cubic root of 105383155 is about 472.3425452610.

The spelling of 105383155 in words is "one hundred five million, three hundred eighty-three thousand, one hundred fifty-five".

Divisors: 1 5 21076631 105383155