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13386230 = 25112132337
BaseRepresentation
bin110011000100…
…000111110110
3221012002110022
4303010013312
511411324410
61154525142
7221531624
oct63040766
927162408
1013386230
117613300
1245967b2
132a08c60
141ac6514
151296455
hexcc41f6

13386230 has 96 divisors (see below), whose sum is σ = 30566592. Its totient is φ = 4181760.

The previous prime is 13386227. The next prime is 13386239. The reversal of 13386230 is 3268331.

Added to its reverse (3268331) it gives a square (16654561 = 40812).

13386230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×133862302 = 358382307225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 13386230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13386239) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 361772 + ... + 361808.

It is an arithmetic number, because the mean of its divisors is an integer number (318402).

Almost surely, 213386230 is an apocalyptic number.

13386230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13386230 is an abundant number, since it is smaller than the sum of its proper divisors (17180362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13386230 is a wasteful number, since it uses less digits than its factorization.

13386230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 13386230 is about 3658.7197214326. The cubic root of 13386230 is about 237.4393861938.

Adding to 13386230 its reverse (3268331), we get a square (16654561 = 40812).

The spelling of 13386230 in words is "thirteen million, three hundred eighty-six thousand, two hundred thirty".

Divisors: 1 2 5 10 11 13 22 23 26 37 46 55 65 74 110 115 121 130 143 185 230 242 253 286 299 370 407 481 506 598 605 715 814 851 962 1210 1265 1430 1495 1573 1702 2035 2405 2530 2783 2990 3146 3289 4070 4255 4477 4810 5291 5566 6578 7865 8510 8954 9361 10582 11063 13915 15730 16445 18722 22126 22385 26455 27830 32890 36179 44770 46805 52910 55315 58201 72358 93610 102971 110630 116402 121693 180895 205942 243386 291005 361790 514855 582010 608465 1029710 1216930 1338623 2677246 6693115 13386230