Search a number
-
+
149682 = 231319101
BaseRepresentation
bin100100100010110010
321121022210
4210202302
514242212
63112550
71162251
oct444262
9247283
10149682
11a2505
1272756
1353190
143c798
152e53c
hex248b2

149682 has 32 divisors (see below), whose sum is σ = 342720. Its totient is φ = 43200.

The previous prime is 149629. The next prime is 149689. The reversal of 149682 is 286941.

It is a super-2 number, since 2×1496822 = 44809402248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149689) by changing a digit.

149682 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1432 + ... + 1532.

It is an arithmetic number, because the mean of its divisors is an integer number (10710).

2149682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171360).

149682 is an abundant number, since it is smaller than the sum of its proper divisors (193038).

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

149682 is a wasteful number, since it uses less digits than its factorization.

149682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138.

The product of its digits is 3456, while the sum is 30.

The square root of 149682 is about 386.8875805709. The cubic root of 149682 is about 53.0953546250.

The spelling of 149682 in words is "one hundred forty-nine thousand, six hundred eighty-two".

Divisors: 1 2 3 6 13 19 26 38 39 57 78 101 114 202 247 303 494 606 741 1313 1482 1919 2626 3838 3939 5757 7878 11514 24947 49894 74841 149682