Search a number
-
+
3086990305 = 57175188219
BaseRepresentation
bin1011011111111111…
…1011101111100001
321222010201100121021
42313333323233201
522310232142210
61230152525441
7136332661510
oct26777735741
97863640537
103086990305
111344586563
127219b0881
133a27215a9
14213dac677
15131028bda
hexb7ffbbe1

3086990305 has 16 divisors (see below), whose sum is σ = 4482622080. Its totient is φ = 1992275712.

The previous prime is 3086990297. The next prime is 3086990311. The reversal of 3086990305 is 5030996803.

It is not a de Polignac number, because 3086990305 - 23 = 3086990297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2593515 + ... + 2594704.

It is an arithmetic number, because the mean of its divisors is an integer number (280163880).

Almost surely, 23086990305 is an apocalyptic number.

3086990305 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3086990305 is a deficient number, since it is larger than the sum of its proper divisors (1395631775).

3086990305 is a wasteful number, since it uses less digits than its factorization.

3086990305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5188248.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 3086990305 is about 55560.6902854887. The cubic root of 3086990305 is about 1456.0571518405.

The spelling of 3086990305 in words is "three billion, eighty-six million, nine hundred ninety thousand, three hundred five".

Divisors: 1 5 7 17 35 85 119 595 5188219 25941095 36317533 88199723 181587665 440998615 617398061 3086990305