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115408 = 247213
BaseRepresentation
bin11100001011010000
312212022101
4130023100
512143113
62250144
7660316
oct341320
9185271
10115408
1179787
1256954
13406b7
14300b6
15242dd
hex1c2d0

115408 has 10 divisors (see below), whose sum is σ = 223634. Its totient is φ = 57696.

The previous prime is 115399. The next prime is 115421. The reversal of 115408 is 804511.

It can be written as a sum of positive squares in only one way, i.e., 110224 + 5184 = 332^2 + 72^2 .

It is a congruent number.

It is an unprimeable 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 as a sum of consecutive naturals, namely, 3591 + ... + 3622.

2115408 is an apocalyptic number.

It is an amenable number.

115408 is a deficient number, since it is larger than the sum of its proper divisors (108226).

115408 is an equidigital number, since it uses as much as digits as its factorization.

115408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7221 (or 7215 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 115408 is about 339.7175297214. The cubic root of 115408 is about 48.6868830335.

Adding to 115408 its reverse (804511), we get a palindrome (919919).

The spelling of 115408 in words is "one hundred fifteen thousand, four hundred eight".

Divisors: 1 2 4 8 16 7213 14426 28852 57704 115408