Search a number
-
+
13538325 = 352180511
BaseRepresentation
bin110011101001…
…010000010101
3221110211002110
4303221100111
511431211300
61202101233
7223034223
oct63512025
927424073
1013538325
1177075a9
12464a819
132a60258
141b25b13
1512c6550
hexce9415

13538325 has 12 divisors (see below), whose sum is σ = 22383488. Its totient is φ = 7220400.

The previous prime is 13538297. The next prime is 13538353. The reversal of 13538325 is 52383531.

It is an interprime number because it is at equal distance from previous prime (13538297) and next prime (13538353).

It is not a de Polignac number, because 13538325 - 27 = 13538197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13538292 and 13538301.

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 11 ways as a sum of consecutive naturals, for example, 90181 + ... + 90330.

Almost surely, 213538325 is an apocalyptic number.

13538325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13538325 is a deficient number, since it is larger than the sum of its proper divisors (8845163).

13538325 is a wasteful number, since it uses less digits than its factorization.

13538325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180524 (or 180519 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 13538325 is about 3679.4462898648. The cubic root of 13538325 is about 238.3352676692.

The spelling of 13538325 in words is "thirteen million, five hundred thirty-eight thousand, three hundred twenty-five".

Divisors: 1 3 5 15 25 75 180511 541533 902555 2707665 4512775 13538325