Search a number
-
+
205462061 = 729351723
BaseRepresentation
bin11000011111100…
…01101000101101
3112022121112221222
430033301220231
5410044241221
632215433125
75043253520
oct1417615055
9468545858
10205462061
11a5a83762
12589857a5
133374a4ac
141d404bb7
15130879ab
hexc3f1a2d

205462061 has 4 divisors (see below), whose sum is σ = 234813792. Its totient is φ = 176110332.

The previous prime is 205462043. The next prime is 205462063. The reversal of 205462061 is 160264502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 205462061 - 214 = 205445677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 205462061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205462063) 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, 14675855 + ... + 14675868.

It is an arithmetic number, because the mean of its divisors is an integer number (58703448).

Almost surely, 2205462061 is an apocalyptic number.

It is an amenable number.

205462061 is a deficient number, since it is larger than the sum of its proper divisors (29351731).

205462061 is an equidigital number, since it uses as much as digits as its factorization.

205462061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29351730.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 205462061 is about 14333.9478511679. The cubic root of 205462061 is about 590.0795267692.

The spelling of 205462061 in words is "two hundred five million, four hundred sixty-two thousand, sixty-one".

Divisors: 1 7 29351723 205462061