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115242113 = 7149110491
BaseRepresentation
bin1101101111001…
…11010010000001
322000211220110102
412313213102001
5214000221423
615234012145
72566353560
oct667472201
9260756412
10115242113
115a062118
1232717055
131ab4c3cc
141143bbd7
15a1b5c28
hex6de7481

115242113 has 8 divisors (see below), whose sum is σ = 132590400. Its totient is φ = 98115120.

The previous prime is 115242109. The next prime is 115242137. The reversal of 115242113 is 311242511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115242113 - 22 = 115242109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115242713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54203 + ... + 56288.

It is an arithmetic number, because the mean of its divisors is an integer number (16573800).

Almost surely, 2115242113 is an apocalyptic number.

It is an amenable number.

115242113 is a deficient number, since it is larger than the sum of its proper divisors (17348287).

115242113 is a wasteful number, since it uses less digits than its factorization.

115242113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110647.

The product of its digits is 240, while the sum is 20.

The square root of 115242113 is about 10735.0879362956. The cubic root of 115242113 is about 486.6354440364.

Adding to 115242113 its reverse (311242511), we get a palindrome (426484624).

The spelling of 115242113 in words is "one hundred fifteen million, two hundred forty-two thousand, one hundred thirteen".

Divisors: 1 7 149 1043 110491 773437 16463159 115242113