Search a number
-
+
204100311 = 3312339419
BaseRepresentation
bin11000010101001…
…01001011010111
3112020001100222210
430022211023113
5404222202221
632130324503
75025552432
oct1412451327
9466040883
10204100311
11a5233648
1258429733
133339171c
141d16c819
1512db9276
hexc2a52d7

204100311 has 16 divisors (see below), whose sum is σ = 282147840. Its totient is φ = 131098560.

The previous prime is 204100307. The next prime is 204100331. The reversal of 204100311 is 113001402.

It is a happy number.

204100311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204100311 - 22 = 204100307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204100301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16960 + ... + 26378.

It is an arithmetic number, because the mean of its divisors is an integer number (17634240).

Almost surely, 2204100311 is an apocalyptic number.

204100311 is a deficient number, since it is larger than the sum of its proper divisors (78047529).

204100311 is a wasteful number, since it uses less digits than its factorization.

204100311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9686.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 204100311 is about 14286.3680128996. The cubic root of 204100311 is about 588.7730040011.

Adding to 204100311 its reverse (113001402), we get a palindrome (317101713).

The spelling of 204100311 in words is "two hundred four million, one hundred thousand, three hundred eleven".

Divisors: 1 3 31 93 233 699 7223 9419 21669 28257 291989 875967 2194627 6583881 68033437 204100311