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115028078 = 21138913441
BaseRepresentation
bin1101101101100…
…11000001101110
322000110000212012
412312303001232
5213421344303
615225241222
72564502554
oct666630156
9260400765
10115028078
1159a26330
1232633212
131aaa5b69
14113c3bd4
15a1725d8
hex6db306e

115028078 has 16 divisors (see below), whose sum is σ = 188725680. Its totient is φ = 52147200.

The previous prime is 115028063. The next prime is 115028093. The reversal of 115028078 is 870820511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (115028063) and next prime (115028093).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1838 + ... + 15278.

It is an arithmetic number, because the mean of its divisors is an integer number (11795355).

Almost surely, 2115028078 is an apocalyptic number.

115028078 is a deficient number, since it is larger than the sum of its proper divisors (73697602).

115028078 is a wasteful number, since it uses less digits than its factorization.

115028078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13843.

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 115028078 is about 10725.1143583647. The cubic root of 115028078 is about 486.3339872063. Note that the first 3 decimals are identical.

Adding to 115028078 its reverse (870820511), we get a palindrome (985848589).

The spelling of 115028078 in words is "one hundred fifteen million, twenty-eight thousand, seventy-eight".

Divisors: 1 2 11 22 389 778 4279 8558 13441 26882 147851 295702 5228549 10457098 57514039 115028078