Search a number
-
+
204015130 = 251117791381
BaseRepresentation
bin11000010100100…
…00011000011010
3112012220001010221
430022100120122
5404211441010
632124430254
75025046204
oct1412203032
9465801127
10204015130
11a5185650
12583a838a
1333361a17
141d149774
1512d9ddda
hexc29061a

204015130 has 64 divisors (see below), whose sum is σ = 429857280. Its totient is φ = 68889600.

The previous prime is 204015107. The next prime is 204015131. The reversal of 204015130 is 31510402.

204015130 is digitally balanced in base 3, 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 (204015131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147040 + ... + 148420.

It is an arithmetic number, because the mean of its divisors is an integer number (6716520).

Almost surely, 2204015130 is an apocalyptic number.

204015130 is an abundant number, since it is smaller than the sum of its proper divisors (225842150).

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

204015130 is a wasteful number, since it uses less digits than its factorization.

204015130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 204015130 is about 14283.3865032071. The cubic root of 204015130 is about 588.6910847206.

Adding to 204015130 its reverse (31510402), we get a palindrome (235525532).

The spelling of 204015130 in words is "two hundred four million, fifteen thousand, one hundred thirty".

Divisors: 1 2 5 10 11 17 22 34 55 79 85 110 158 170 187 374 395 790 869 935 1343 1381 1738 1870 2686 2762 4345 6715 6905 8690 13430 13810 14773 15191 23477 29546 30382 46954 73865 75955 109099 117385 147730 151910 218198 234770 258247 516494 545495 1090990 1200089 1291235 1854683 2400178 2582470 3709366 6000445 9273415 12000890 18546830 20401513 40803026 102007565 204015130