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115241405 = 523048281
BaseRepresentation
bin1101101111001…
…11000110111101
322000211212111012
412313213012331
5214000211110
615234005005
72566351526
oct667470675
9260755435
10115241405
115a061634
1232716765
131ab4bca6
141143b84d
15a1b5905
hex6de71bd

115241405 has 4 divisors (see below), whose sum is σ = 138289692. Its totient is φ = 92193120.

The previous prime is 115241387. The next prime is 115241411. The reversal of 115241405 is 504142511.

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 90421081 + 24820324 = 9509^2 + 4982^2 .

It is not a de Polignac number, because 115241405 - 220 = 114192829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11524136 + ... + 11524145.

It is an arithmetic number, because the mean of its divisors is an integer number (34572423).

Almost surely, 2115241405 is an apocalyptic number.

It is an amenable number.

115241405 is a deficient number, since it is larger than the sum of its proper divisors (23048287).

115241405 is an equidigital number, since it uses as much as digits as its factorization.

115241405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23048286.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 115241405 is about 10735.0549602692. The cubic root of 115241405 is about 486.6344474719.

Adding to 115241405 its reverse (504142511), we get a palindrome (619383916).

The spelling of 115241405 in words is "one hundred fifteen million, two hundred forty-one thousand, four hundred five".

Divisors: 1 5 23048281 115241405