Search a number
-
+
13452225 = 352832161
BaseRepresentation
bin110011010100…
…001111000001
3221022102222120
4303110033001
511420432400
61200154453
7222225213
oct63241701
927272876
1013452225
117658946
124608a29
132a2ccc7
141b025b3
1512aaca0
hexcd43c1

13452225 has 24 divisors (see below), whose sum is σ = 22519392. Its totient is φ = 7084800.

The previous prime is 13452211. The next prime is 13452319. The reversal of 13452225 is 52225431.

It is not a de Polignac number, because 13452225 - 26 = 13452161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13452195 and 13452204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5145 + ... + 7305.

It is an arithmetic number, because the mean of its divisors is an integer number (938308).

Almost surely, 213452225 is an apocalyptic number.

13452225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13452225 is a deficient number, since it is larger than the sum of its proper divisors (9067167).

13452225 is a wasteful number, since it uses less digits than its factorization.

13452225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257 (or 2252 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 13452225 is about 3667.7274980565. The cubic root of 13452225 is about 237.8289440085.

Adding to 13452225 its reverse (52225431), we get a palindrome (65677656).

It can be divided in two parts, 1345 and 2225, that added together give a triangular number (3570 = T84).

The spelling of 13452225 in words is "thirteen million, four hundred fifty-two thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 83 249 415 1245 2075 2161 6225 6483 10805 32415 54025 162075 179363 538089 896815 2690445 4484075 13452225