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113406449 = 137321637
BaseRepresentation
bin1101100001001…
…11000111110001
321220101122101212
412300213013301
5213013001244
615130405505
72544640022
oct660470761
9256348355
10113406449
1159018a42
1231b90895
131a658a10
14110c0c49
159e51d9e
hex6c271f1

113406449 has 12 divisors (see below), whose sum is σ = 123901596. Its totient is φ = 103185792.

The previous prime is 113406413. The next prime is 113406467. The reversal of 113406449 is 944604311.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 19936225 + 93470224 = 4465^2 + 9668^2 .

It is not a de Polignac number, because 113406449 - 220 = 112357873 is a prime.

It is a super-2 number, since 2×1134064492 = 25722045349579202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113406479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68459 + ... + 70095.

It is an arithmetic number, because the mean of its divisors is an integer number (10325133).

Almost surely, 2113406449 is an apocalyptic number.

It is an amenable number.

113406449 is a deficient number, since it is larger than the sum of its proper divisors (10495147).

113406449 is an equidigital number, since it uses as much as digits as its factorization.

113406449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796 (or 1723 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 113406449 is about 10649.2464052627. The cubic root of 113406449 is about 484.0377691196.

The spelling of 113406449 in words is "one hundred thirteen million, four hundred six thousand, four hundred forty-nine".

Divisors: 1 13 73 949 1637 5329 21281 69277 119501 1553513 8723573 113406449