Search a number
-
+
13480830 = 2345111789
BaseRepresentation
bin110011011011…
…001101111110
3221100220020000
4303123031332
511422341310
61200535130
7222404466
oct63331576
927326200
1013480830
117678390
1246214a6
132a4002c
141b0cba6
1512b44c0
hexcdb37e

13480830 has 160 divisors (see below), whose sum is σ = 42340320. Its totient is φ = 3041280.

The previous prime is 13480807. The next prime is 13480843. The reversal of 13480830 is 3808431.

13480830 = 16402 + 16412 + ... + 16442.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13480794 and 13480803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 151426 + ... + 151514.

It is an arithmetic number, because the mean of its divisors is an integer number (264627).

Almost surely, 213480830 is an apocalyptic number.

13480830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13480830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21170160).

13480830 is an abundant number, since it is smaller than the sum of its proper divisors (28859490).

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

13480830 is a wasteful number, since it uses less digits than its factorization.

13480830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 13480830 is about 3671.6249808498. The cubic root of 13480830 is about 237.9973989312.

The spelling of 13480830 in words is "thirteen million, four hundred eighty thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 17 18 22 27 30 33 34 45 51 54 55 66 81 85 89 90 99 102 110 135 153 162 165 170 178 187 198 255 267 270 297 306 330 374 405 445 459 495 510 534 561 594 765 801 810 890 891 918 935 979 990 1122 1335 1377 1485 1513 1530 1602 1683 1782 1870 1958 2295 2403 2670 2754 2805 2937 2970 3026 3366 4005 4455 4539 4590 4806 4895 5049 5610 5874 6885 7209 7565 8010 8415 8811 8910 9078 9790 10098 12015 13617 13770 14418 14685 15130 15147 16643 16830 17622 22695 24030 25245 26433 27234 29370 30294 33286 36045 40851 44055 45390 49929 50490 52866 68085 72090 75735 79299 81702 83215 88110 99858 122553 132165 136170 149787 151470 158598 166430 204255 245106 249645 264330 299574 396495 408510 449361 499290 612765 748935 792990 898722 1225530 1348083 1497870 2246805 2696166 4493610 6740415 13480830