Search a number
-
+
13860234 = 23519279
BaseRepresentation
bin110100110111…
…110110001010
3222002011200000
4310313312022
512022011414
61213023430
7225544563
oct64676612
928064600
1013860234
117907443
124784b76
132b4392b
141bab16a
15133bb09
hexd37d8a

13860234 has 72 divisors (see below), whose sum is σ = 33284160. Its totient is φ = 4321512.

The previous prime is 13860227. The next prime is 13860239. The reversal of 13860234 is 43206831.

It is a happy number.

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 = 13860198 and 13860207.

It is not an unprimeable number, because it can be changed into a prime (13860239) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 175407 + ... + 175485.

It is an arithmetic number, because the mean of its divisors is an integer number (462280).

Almost surely, 213860234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13860234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16642080).

13860234 is an abundant number, since it is smaller than the sum of its proper divisors (19423926).

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

13860234 is an equidigital number, since it uses as much as digits as its factorization.

13860234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 13860234 is about 3722.9335207602. The cubic root of 13860234 is about 240.2095045628.

The spelling of 13860234 in words is "thirteen million, eight hundred sixty thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 79 81 114 158 162 171 237 243 342 361 474 486 513 711 722 1026 1083 1422 1501 1539 2133 2166 3002 3078 3249 4266 4503 4617 6399 6498 9006 9234 9747 12798 13509 19197 19494 27018 28519 29241 38394 40527 57038 58482 81054 85557 87723 121581 171114 175446 243162 256671 364743 513342 729486 770013 1540026 2310039 4620078 6930117 13860234