Search a number
-
+
204030460 = 22586311821
BaseRepresentation
bin11000010100101…
…00000111111100
3112012220211011201
430022110013330
5404212433320
632125025244
75025141664
oct1412240774
9465824151
10204030460
11a5196117
12583b5224
13333689aa
141d1511a4
1512da370a
hexc2941fc

204030460 has 24 divisors (see below), whose sum is σ = 428996736. Its totient is φ = 81510720.

The previous prime is 204030433. The next prime is 204030461. The reversal of 204030460 is 64030402.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204030461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11350 + ... + 23170.

It is an arithmetic number, because the mean of its divisors is an integer number (17874864).

Almost surely, 2204030460 is an apocalyptic number.

204030460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204030460 is an abundant number, since it is smaller than the sum of its proper divisors (224966276).

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

204030460 is a wasteful number, since it uses less digits than its factorization.

204030460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12693 (or 12691 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 204030460 is about 14283.9231305689. The cubic root of 204030460 is about 588.7058293922.

Adding to 204030460 its reverse (64030402), we get a palindrome (268060862).

The spelling of 204030460 in words is "two hundred four million, thirty thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 863 1726 3452 4315 8630 11821 17260 23642 47284 59105 118210 236420 10201523 20403046 40806092 51007615 102015230 204030460