Search a number
-
+
1315440204 = 223138432309
BaseRepresentation
bin100111001101000…
…0000011001001100
310101200020021201120
41032122000121030
510143223041304
6334310240540
744412025431
oct11632003114
93350207646
101315440204
11615593771
12308656150
1317c6b2ab0
14c69bdb88
157a7400d9
hex4e68064c

1315440204 has 24 divisors (see below), whose sum is σ = 3305465520. Its totient is φ = 404750784.

The previous prime is 1315440199. The next prime is 1315440211. The reversal of 1315440204 is 4020445131.

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, 4215999 + ... + 4216310.

It is an arithmetic number, because the mean of its divisors is an integer number (137727730).

Almost surely, 21315440204 is an apocalyptic number.

It is an amenable number.

1315440204 is an abundant number, since it is smaller than the sum of its proper divisors (1990025316).

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

1315440204 is a wasteful number, since it uses less digits than its factorization.

1315440204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8432329 (or 8432327 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1315440204 is about 36268.9978356171. The cubic root of 1315440204 is about 1095.6967422029.

Adding to 1315440204 its reverse (4020445131), we get a palindrome (5335885335).

The spelling of 1315440204 in words is "one billion, three hundred fifteen million, four hundred forty thousand, two hundred four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 8432309 16864618 25296927 33729236 50593854 101187708 109620017 219240034 328860051 438480068 657720102 1315440204