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113230240 = 255707689
BaseRepresentation
bin1101011111111…
…00000110100000
321220001200200121
412233330012200
5212441331430
615122530024
72543304214
oct657740640
9256050617
10113230240
1158a08612
1231b06914
131a5c6756
1411076944
159e19a7a
hex6bfc1a0

113230240 has 24 divisors (see below), whose sum is σ = 267506820. Its totient is φ = 45292032.

The previous prime is 113230211. The next prime is 113230267. The reversal of 113230240 is 42032311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 107412496 + 5817744 = 10364^2 + 2412^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353685 + ... + 354004.

Almost surely, 2113230240 is an apocalyptic number.

113230240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113230240 is an abundant number, since it is smaller than the sum of its proper divisors (154276580).

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

113230240 is an equidigital number, since it uses as much as digits as its factorization.

113230240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707704 (or 707696 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 113230240 is about 10640.9698806077. The cubic root of 113230240 is about 483.7869426303.

Adding to 113230240 its reverse (42032311), we get a palindrome (155262551).

The spelling of 113230240 in words is "one hundred thirteen million, two hundred thirty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 707689 1415378 2830756 3538445 5661512 7076890 11323024 14153780 22646048 28307560 56615120 113230240