Search a number
-
+
13819232 = 2571719191
BaseRepresentation
bin110100101101…
…110101100000
3222000002102102
4310231311200
512014203412
61212105532
7225314210
oct64556540
928002372
1013819232
117889659
1247652a8
132b2b07b
141b9a240
15132e8c2
hexd2dd60

13819232 has 96 divisors (see below), whose sum is σ = 34836480. Its totient is φ = 5253120.

The previous prime is 13819231. The next prime is 13819243. The reversal of 13819232 is 23291831.

13819232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13819195 and 13819204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13819231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72257 + ... + 72447.

It is an arithmetic number, because the mean of its divisors is an integer number (362880).

Almost surely, 213819232 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 13819232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17418240).

13819232 is an abundant number, since it is smaller than the sum of its proper divisors (21017248).

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

13819232 is a wasteful number, since it uses less digits than its factorization.

13819232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 236 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 13819232 is about 3717.4227631519. The cubic root of 13819232 is about 239.9724042345.

The spelling of 13819232 in words is "thirteen million, eight hundred nineteen thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 17 19 28 32 34 38 56 68 76 112 119 133 136 152 191 224 238 266 272 304 323 382 476 532 544 608 646 764 952 1064 1292 1337 1528 1904 2128 2261 2584 2674 3056 3247 3629 3808 4256 4522 5168 5348 6112 6494 7258 9044 10336 10696 12988 14516 18088 21392 22729 25403 25976 29032 36176 42784 45458 50806 51952 58064 61693 72352 90916 101612 103904 116128 123386 181832 203224 246772 363664 406448 431851 493544 727328 812896 863702 987088 1727404 1974176 3454808 6909616 13819232