Search a number
-
+
206150685 = 35131057183
BaseRepresentation
bin11000100100110…
…01110000011101
3112100220112120120
430102121300131
5410233310220
632242305153
75052152256
oct1422316035
9470815516
10206150685
11a6404074
12590581b9
133392ba70
141d543b2d
1513171a40
hexc499c1d

206150685 has 16 divisors (see below), whose sum is σ = 355213824. Its totient is φ = 101489472.

The previous prime is 206150683. The next prime is 206150699. The reversal of 206150685 is 586051602.

It is not a de Polignac number, because 206150685 - 21 = 206150683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206150683) 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, 528397 + ... + 528786.

It is an arithmetic number, because the mean of its divisors is an integer number (22200864).

Almost surely, 2206150685 is an apocalyptic number.

It is an amenable number.

206150685 is a deficient number, since it is larger than the sum of its proper divisors (149063139).

206150685 is a wasteful number, since it uses less digits than its factorization.

206150685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057204.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 206150685 is about 14357.9484955198. The cubic root of 206150685 is about 590.7380259603.

The spelling of 206150685 in words is "two hundred six million, one hundred fifty thousand, six hundred eighty-five".

Divisors: 1 3 5 13 15 39 65 195 1057183 3171549 5285915 13743379 15857745 41230137 68716895 206150685