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115045427 = 716435061
BaseRepresentation
bin1101101101101…
…11010000110011
322000110220122202
412312313100303
5213422423202
615225453415
72564604260
oct666672063
9260426582
10115045427
1159a38372
123264126b
131aab0a23
14113ca267
15a177802
hex6db7433

115045427 has 4 divisors (see below), whose sum is σ = 131480496. Its totient is φ = 98610360.

The previous prime is 115045417. The next prime is 115045453. The reversal of 115045427 is 724540511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724540511 = 3472088013.

It is a cyclic number.

It is not a de Polignac number, because 115045427 - 218 = 114783283 is a prime.

It is a super-2 number, since 2×1150454272 = 26470900547224658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115045427.

It is not an unprimeable number, because it can be changed into a prime (115045417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8217524 + ... + 8217537.

It is an arithmetic number, because the mean of its divisors is an integer number (32870124).

Almost surely, 2115045427 is an apocalyptic number.

115045427 is a deficient number, since it is larger than the sum of its proper divisors (16435069).

115045427 is an equidigital number, since it uses as much as digits as its factorization.

115045427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16435068.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 115045427 is about 10725.9231304350. The cubic root of 115045427 is about 486.3584362636.

Adding to 115045427 its reverse (724540511), we get a palindrome (839585938).

The spelling of 115045427 in words is "one hundred fifteen million, forty-five thousand, four hundred twenty-seven".

Divisors: 1 7 16435061 115045427