Search a number
-
+
206268670 = 25131157457
BaseRepresentation
bin11000100101101…
…10100011111110
3112101010112102101
430102312203332
5410301044140
632245015314
75053153246
oct1422664376
9471115371
10206268670
11a6484783
12590b453a
133397068a
141d574b26
151319699a
hexc4b68fe

206268670 has 16 divisors (see below), whose sum is σ = 374120208. Its totient is φ = 81877120.

The previous prime is 206268659. The next prime is 206268683. The reversal of 206268670 is 76862602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77419 + ... + 80038.

It is an arithmetic number, because the mean of its divisors is an integer number (23382513).

Almost surely, 2206268670 is an apocalyptic number.

206268670 is a deficient number, since it is larger than the sum of its proper divisors (167851538).

206268670 is a wasteful number, since it uses less digits than its factorization.

206268670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157595.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 206268670 is about 14362.0566076032. The cubic root of 206268670 is about 590.8507023319.

The spelling of 206268670 in words is "two hundred six million, two hundred sixty-eight thousand, six hundred seventy".

Divisors: 1 2 5 10 131 262 655 1310 157457 314914 787285 1574570 20626867 41253734 103134335 206268670