Search a number
-
+
205108044 = 22317092337
BaseRepresentation
bin11000011100110…
…11001101001100
3112021221120100020
430032123031030
5410001424134
632204102140
75040250431
oct1416331514
9467846306
10205108044
11a5861789
1258834950
133365530b
141d351b88
1513017b49
hexc39b34c

205108044 has 12 divisors (see below), whose sum is σ = 478585464. Its totient is φ = 68369344.

The previous prime is 205108031. The next prime is 205108049. The reversal of 205108044 is 440801502.

205108044 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (205108049) 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, 8546157 + ... + 8546180.

It is an arithmetic number, because the mean of its divisors is an integer number (39882122).

Almost surely, 2205108044 is an apocalyptic number.

It is an amenable number.

205108044 is an abundant number, since it is smaller than the sum of its proper divisors (273477420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205108044 is a wasteful number, since it uses less digits than its factorization.

205108044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17092344 (or 17092342 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 205108044 is about 14321.5936264090. The cubic root of 205108044 is about 589.7404239734.

Adding to 205108044 its reverse (440801502), we get a palindrome (645909546).

The spelling of 205108044 in words is "two hundred five million, one hundred eight thousand, forty-four".

Divisors: 1 2 3 4 6 12 17092337 34184674 51277011 68369348 102554022 205108044