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115770001 = 293992069
BaseRepresentation
bin1101110011010…
…00001010010001
322001211201120211
412321220022101
5214114120001
615253204121
72604012604
oct671501221
9261751524
10115770001
115a392796
1232930641
131aca5779
141153833b
15a26c351
hex6e68291

115770001 has 4 divisors (see below), whose sum is σ = 119762100. Its totient is φ = 111777904.

The previous prime is 115769999. The next prime is 115770023. The reversal of 115770001 is 100077511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75777025 + 39992976 = 8705^2 + 6324^2 .

It is a cyclic number.

It is not a de Polignac number, because 115770001 - 21 = 115769999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115770091) 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, 1996006 + ... + 1996063.

It is an arithmetic number, because the mean of its divisors is an integer number (29940525).

Almost surely, 2115770001 is an apocalyptic number.

It is an amenable number.

115770001 is a deficient number, since it is larger than the sum of its proper divisors (3992099).

115770001 is an equidigital number, since it uses as much as digits as its factorization.

115770001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992098.

The product of its (nonzero) digits is 245, while the sum is 22.

The square root of 115770001 is about 10759.6468808228. The cubic root of 115770001 is about 487.3773538501.

The spelling of 115770001 in words is "one hundred fifteen million, seven hundred seventy thousand, one".

Divisors: 1 29 3992069 115770001