Search a number
-
+
203968430 = 25109187127
BaseRepresentation
bin11000010100001…
…00111110101110
3112012210200002022
430022010332232
5404203442210
632123430142
75024463101
oct1412047656
9465720068
10203968430
11a5153556
1258385352
13333466a3
141d136738
1512d90155
hexc284fae

203968430 has 16 divisors (see below), whose sum is σ = 370513440. Its totient is φ = 80838432.

The previous prime is 203968423. The next prime is 203968447. The reversal of 203968430 is 34869302.

It is a happy number.

203968430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92474 + ... + 94653.

It is an arithmetic number, because the mean of its divisors is an integer number (23157090).

Almost surely, 2203968430 is an apocalyptic number.

203968430 is a deficient number, since it is larger than the sum of its proper divisors (166545010).

203968430 is a wasteful number, since it uses less digits than its factorization.

203968430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187243.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 203968430 is about 14281.7516432684. The cubic root of 203968430 is about 588.6461632621.

The spelling of 203968430 in words is "two hundred three million, nine hundred sixty-eight thousand, four hundred thirty".

Divisors: 1 2 5 10 109 218 545 1090 187127 374254 935635 1871270 20396843 40793686 101984215 203968430