Search a number
-
+
13612368 = 24371129127
BaseRepresentation
bin110011111011…
…010101010000
3221121120122210
4303323111100
511441043433
61203432120
7223463130
oct63732520
927546583
1013612368
1177581a0
124685640
132a87b73
141b44ac0
1512dd463
hexcfb550

13612368 has 160 divisors (see below), whose sum is σ = 45711360. Its totient is φ = 3386880.

The previous prime is 13612367. The next prime is 13612373. The reversal of 13612368 is 86321631.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13612367) 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 31 ways as a sum of consecutive naturals, for example, 107121 + ... + 107247.

It is an arithmetic number, because the mean of its divisors is an integer number (285696).

Almost surely, 213612368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13612368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22855680).

13612368 is an abundant number, since it is smaller than the sum of its proper divisors (32098992).

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

13612368 is a wasteful number, since it uses less digits than its factorization.

13612368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 179 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 13612368 is about 3689.4942742875. The cubic root of 13612368 is about 238.7689743059.

Adding to 13612368 its reverse (86321631), we get a palindrome (99933999).

The spelling of 13612368 in words is "thirteen million, six hundred twelve thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 29 33 42 44 48 56 58 66 77 84 87 88 112 116 127 132 154 168 174 176 203 231 232 254 264 308 319 336 348 381 406 462 464 508 528 609 616 638 696 762 812 889 924 957 1016 1218 1232 1276 1392 1397 1524 1624 1778 1848 1914 2032 2233 2436 2552 2667 2794 3048 3248 3556 3683 3696 3828 4191 4466 4872 5104 5334 5588 6096 6699 7112 7366 7656 8382 8932 9744 9779 10668 11049 11176 13398 14224 14732 15312 16764 17864 19558 21336 22098 22352 25781 26796 29337 29464 33528 35728 39116 40513 42672 44196 51562 53592 58674 58928 67056 77343 78232 81026 88392 103124 107184 117348 121539 154686 156464 162052 176784 206248 234696 243078 283591 309372 324104 412496 469392 486156 567182 618744 648208 850773 972312 1134364 1237488 1701546 1944624 2268728 3403092 4537456 6806184 13612368