Search a number
-
+
13504160 = 25584401
BaseRepresentation
bin110011100000…
…111010100000
3221102002020002
4303200322200
511424113120
61201235132
7222532505
oct63407240
927362202
1013504160
11769396a
124632aa8
132a4a837
141b174ac
1512bb375
hexce0ea0

13504160 has 24 divisors (see below), whose sum is σ = 31903956. Its totient is φ = 5401600.

The previous prime is 13504159. The next prime is 13504163. The reversal of 13504160 is 6140531.

It can be written as a sum of positive squares in 2 ways, for example, as 11751184 + 1752976 = 3428^2 + 1324^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (13504163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42041 + ... + 42360.

Almost surely, 213504160 is an apocalyptic number.

13504160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13504160 is an abundant number, since it is smaller than the sum of its proper divisors (18399796).

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

13504160 is an equidigital number, since it uses as much as digits as its factorization.

13504160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84416 (or 84408 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 13504160 is about 3674.8006748666. The cubic root of 13504160 is about 238.1346130182.

Adding to 13504160 its reverse (6140531), we get a palindrome (19644691).

The spelling of 13504160 in words is "thirteen million, five hundred four thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 84401 168802 337604 422005 675208 844010 1350416 1688020 2700832 3376040 6752080 13504160