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115520038 = 2198593539
BaseRepresentation
bin1101110001010…
…11001000100110
322001101000200221
412320223020212
5214033120123
615243554554
72601622054
oct670531046
9261330627
10115520038
115a231a07
123282ba5a
131ac18a6a
14114b11d4
15a21d25d
hex6e2b226

115520038 has 16 divisors (see below), whose sum is σ = 182664000. Its totient is φ = 54640872.

The previous prime is 115520033. The next prime is 115520051. The reversal of 115520038 is 830025511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 115519994 and 115520021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115520033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30873 + ... + 34411.

It is an arithmetic number, because the mean of its divisors is an integer number (11416500).

Almost surely, 2115520038 is an apocalyptic number.

115520038 is a deficient number, since it is larger than the sum of its proper divisors (67143962).

115520038 is a wasteful number, since it uses less digits than its factorization.

115520038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 115520038 is about 10748.0248418023. The cubic root of 115520038 is about 487.0263300110.

Adding to 115520038 its reverse (830025511), we get a palindrome (945545549).

The spelling of 115520038 in words is "one hundred fifteen million, five hundred twenty thousand, thirty-eight".

Divisors: 1 2 19 38 859 1718 3539 7078 16321 32642 67241 134482 3040001 6080002 57760019 115520038