Search a number
-
+
121886084 = 2275740253
BaseRepresentation
bin1110100001111…
…01010110000100
322111100110021102
413100331112010
5222200323314
620032235232
73010005005
oct720752604
9274313242
10121886084
116288a901
123499bb18
131c337558
141228b1ac
15aa795de
hex743d584

121886084 has 12 divisors (see below), whose sum is σ = 213587724. Its totient is φ = 60861024.

The previous prime is 121886053. The next prime is 121886111. The reversal of 121886084 is 480688121.

It can be written as a sum of positive squares in 2 ways, for example, as 91393600 + 30492484 = 9560^2 + 5522^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17099 + ... + 23154.

It is an arithmetic number, because the mean of its divisors is an integer number (17798977).

Almost surely, 2121886084 is an apocalyptic number.

It is an amenable number.

121886084 is a deficient number, since it is larger than the sum of its proper divisors (91701640).

121886084 is a wasteful number, since it uses less digits than its factorization.

121886084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41014 (or 41012 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 38.

The square root of 121886084 is about 11040.2030778424. The cubic root of 121886084 is about 495.8131504405.

The spelling of 121886084 in words is "one hundred twenty-one million, eight hundred eighty-six thousand, eighty-four".

Divisors: 1 2 4 757 1514 3028 40253 80506 161012 30471521 60943042 121886084