Search a number
-
+
204010949 = 1491369201
BaseRepresentation
bin11000010100011…
…11010111000101
3112012212211102002
430022033113011
5404211322244
632124355045
75025031052
oct1412172705
9465784362
10204010949
11a518249a
12583a5a85
133335cb4c
141d148029
1512d9ca4e
hexc28f5c5

204010949 has 4 divisors (see below), whose sum is σ = 205380300. Its totient is φ = 202641600.

The previous prime is 204010927. The next prime is 204010951. The reversal of 204010949 is 949010402.

204010949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 67354849 + 136656100 = 8207^2 + 11690^2 .

It is a cyclic number.

It is not a de Polignac number, because 204010949 - 212 = 204006853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204010979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684452 + ... + 684749.

It is an arithmetic number, because the mean of its divisors is an integer number (51345075).

Almost surely, 2204010949 is an apocalyptic number.

It is an amenable number.

204010949 is a deficient number, since it is larger than the sum of its proper divisors (1369351).

204010949 is a wasteful number, since it uses less digits than its factorization.

204010949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369350.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 204010949 is about 14283.2401436089. The cubic root of 204010949 is about 588.6870632309.

The spelling of 204010949 in words is "two hundred four million, ten thousand, nine hundred forty-nine".

Divisors: 1 149 1369201 204010949