Search a number
-
+
203020130 = 25191099803
BaseRepresentation
bin11000001100111…
…01011101100010
3112011000111021002
430012131131202
5403433121010
632051232002
75013433265
oct1406353542
9464014232
10203020130
11a4666035
1257ba8602
13330a3b71
141cd6acdc
1512c541a5
hexc19d762

203020130 has 32 divisors (see below), whose sum is σ = 388238400. Its totient is φ = 76220352.

The previous prime is 203020091. The next prime is 203020133. The reversal of 203020130 is 31020302.

203020130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (203020133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15809 + ... + 25611.

It is an arithmetic number, because the mean of its divisors is an integer number (12132450).

Almost surely, 2203020130 is an apocalyptic number.

203020130 is a deficient number, since it is larger than the sum of its proper divisors (185218270).

203020130 is a wasteful number, since it uses less digits than its factorization.

203020130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9938.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 203020130 is about 14248.5132557751. The cubic root of 203020130 is about 587.7324916567.

Adding to 203020130 its reverse (31020302), we get a palindrome (234040432).

The spelling of 203020130 in words is "two hundred three million, twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 19 38 95 109 190 218 545 1090 2071 4142 9803 10355 19606 20710 49015 98030 186257 372514 931285 1068527 1862570 2137054 5342635 10685270 20302013 40604026 101510065 203020130