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13235230 = 252515273
BaseRepresentation
bin110010011111…
…010000011110
3220220102022201
4302133100132
511342011410
61151402114
7220332451
oct62372036
926812281
1013235230
11751a908
12452333a
1329852c8
141a87498
15126683a
hexc9f41e

13235230 has 16 divisors (see below), whose sum is σ = 23922864. Its totient is φ = 5272000.

The previous prime is 13235221. The next prime is 13235237. The reversal of 13235230 is 3253231.

It is a junction number, because it is equal to n+sod(n) for n = 13235198 and 13235207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13235237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127 + ... + 5146.

It is an arithmetic number, because the mean of its divisors is an integer number (1495179).

Almost surely, 213235230 is an apocalyptic number.

13235230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13235230 is a deficient number, since it is larger than the sum of its proper divisors (10687634).

13235230 is a wasteful number, since it uses less digits than its factorization.

13235230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5531.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 13235230 is about 3638.0255634066. The cubic root of 13235230 is about 236.5432162710.

Adding to 13235230 its reverse (3253231), we get a palindrome (16488461).

The spelling of 13235230 in words is "thirteen million, two hundred thirty-five thousand, two hundred thirty".

Divisors: 1 2 5 10 251 502 1255 2510 5273 10546 26365 52730 1323523 2647046 6617615 13235230