Search a number
-
+
13295025 = 3252371597
BaseRepresentation
bin110010101101…
…110110110001
3221000110100100
4302231312301
511400420100
61152543013
7221002002
oct62556661
927013310
1013295025
117560827
124551a69
1329a65a3
141aa11a9
151279400
hexcaddb1

13295025 has 36 divisors (see below), whose sum is σ = 24471772. Its totient is φ = 6894720.

The previous prime is 13294999. The next prime is 13295027. The reversal of 13295025 is 52059231.

It can be written as a sum of positive squares in 6 ways, for example, as 74529 + 13220496 = 273^2 + 3636^2 .

It is not a de Polignac number, because 13295025 - 26 = 13294961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13295025.

It is not an unprimeable number, because it can be changed into a prime (13295027) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7527 + ... + 9123.

Almost surely, 213295025 is an apocalyptic number.

13295025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13295025 is a deficient number, since it is larger than the sum of its proper divisors (11176747).

13295025 is a wasteful number, since it uses less digits than its factorization.

13295025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 13295025 is about 3646.2343588969. The cubic root of 13295025 is about 236.8989047009.

The spelling of 13295025 in words is "thirteen million, two hundred ninety-five thousand, twenty-five".

Divisors: 1 3 5 9 15 25 37 45 75 111 185 225 333 555 925 1597 1665 2775 4791 7985 8325 14373 23955 39925 59089 71865 119775 177267 295445 359325 531801 886335 1477225 2659005 4431675 13295025