Search a number
-
+
13070325 = 352237577
BaseRepresentation
bin110001110110…
…111111110101
3220121001010010
4301312333311
511321222300
61144050433
7216044622
oct61667765
926531103
1013070325
117417a24
124463a19
132928228
141a43349
151232a50
hexc76ff5

13070325 has 24 divisors (see below), whose sum is σ = 22552128. Its totient is φ = 6666880.

The previous prime is 13070303. The next prime is 13070339. The reversal of 13070325 is 52307031.

It is a happy number.

It is not a de Polignac number, because 13070325 - 28 = 13070069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2064 + ... + 5513.

It is an arithmetic number, because the mean of its divisors is an integer number (939672).

Almost surely, 213070325 is an apocalyptic number.

13070325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13070325 is a deficient number, since it is larger than the sum of its proper divisors (9481803).

13070325 is a wasteful number, since it uses less digits than its factorization.

13070325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7613 (or 7608 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 13070325 is about 3615.2904447637. The cubic root of 13070325 is about 235.5567003903.

Adding to 13070325 its reverse (52307031), we get a palindrome (65377356).

The spelling of 13070325 in words is "thirteen million, seventy thousand, three hundred twenty-five".

Divisors: 1 3 5 15 23 25 69 75 115 345 575 1725 7577 22731 37885 113655 174271 189425 522813 568275 871355 2614065 4356775 13070325