Search a number
-
+
182408 = 231512
BaseRepresentation
bin101100100010001000
3100021012212
4230202020
521314113
63524252
71356542
oct544210
9307185
10182408
11115056
1289688
1365045
144a692
15390a8
hex2c888

182408 has 12 divisors (see below), whose sum is σ = 344295. Its totient is φ = 90600.

The previous prime is 182389. The next prime is 182417. The reversal of 182408 is 804281.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

182408 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 91204 + 91204 = 302^2 + 302^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=302.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is an unprimeable number.

182408 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1133 + ... + 1283.

2182408 is an apocalyptic number.

It is an amenable number.

182408 is a deficient number, since it is larger than the sum of its proper divisors (161887).

182408 is an equidigital number, since it uses as much as digits as its factorization.

182408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 182408 is about 427.0924958367. The cubic root of 182408 is about 56.7128266714.

Multiplying 182408 by its product of nonzero digits (512), we get a square (93392896 = 96642).

Adding to 182408 its reverse (804281), we get a palindrome (986689).

The spelling of 182408 in words is "one hundred eighty-two thousand, four hundred eight".

Divisors: 1 2 4 8 151 302 604 1208 22801 45602 91204 182408