Search a number
-
+
182240 = 2551767
BaseRepresentation
bin101100011111100000
3100020222122
4230133200
521312430
63523412
71356212
oct543740
9306878
10182240
11114a13
1289568
1364c46
144a5b2
1538ee5
hex2c7e0

182240 has 48 divisors (see below), whose sum is σ = 462672. Its totient is φ = 67584.

The previous prime is 182239. The next prime is 182243. The reversal of 182240 is 42281.

182240 is nontrivially palindromic in base 13.

182240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1822402 = 66422835200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2687 + ... + 2753.

It is an arithmetic number, because the mean of its divisors is an integer number (9639).

2182240 is an apocalyptic number.

182240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 182240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231336).

182240 is an abundant number, since it is smaller than the sum of its proper divisors (280432).

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

182240 is a wasteful number, since it uses less digits than its factorization.

182240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 182240 is about 426.8957718226. The cubic root of 182240 is about 56.6954102542.

The spelling of 182240 in words is "one hundred eighty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 67 68 80 85 134 136 160 170 268 272 335 340 536 544 670 680 1072 1139 1340 1360 2144 2278 2680 2720 4556 5360 5695 9112 10720 11390 18224 22780 36448 45560 91120 182240