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256160206 = 2128080103
BaseRepresentation
bin11110100010010…
…11000111001110
3122212000021202001
433101023013032
51011034111311
641230222514
76230216521
oct1721130716
9585007661
10256160206
11121660a55
1271954a3a
13410bb5b3
1426040bb8
151774e4c1
hexf44b1ce

256160206 has 4 divisors (see below), whose sum is σ = 384240312. Its totient is φ = 128080102.

The previous prime is 256160197. The next prime is 256160209. The reversal of 256160206 is 602061652.

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

It is a super-2 number, since 2×2561602062 = 131236102275924872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256160209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64040050 + ... + 64040053.

It is an arithmetic number, because the mean of its divisors is an integer number (96060078).

Almost surely, 2256160206 is an apocalyptic number.

256160206 is a deficient number, since it is larger than the sum of its proper divisors (128080106).

256160206 is a wasteful number, since it uses less digits than its factorization.

256160206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128080105.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 256160206 is about 16005.0056544820. The cubic root of 256160206 is about 635.0928469027.

The spelling of 256160206 in words is "two hundred fifty-six million, one hundred sixty thousand, two hundred six".

Divisors: 1 2 128080103 256160206