Search a number
-
+
115742423 = 1117103619
BaseRepresentation
bin1101110011000…
…01011011010111
322001210022202102
412321201123113
5214112224143
615252432315
72603536316
oct671413327
9261708672
10115742423
115a373aa5
123291869b
131ac96054
141152c27d
15a2640b8
hex6e616d7

115742423 has 4 divisors (see below), whose sum is σ = 115847160. Its totient is φ = 115637688.

The previous prime is 115742411. The next prime is 115742461. The reversal of 115742423 is 324247511.

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

It is a cyclic number.

It is not a de Polignac number, because 115742423 - 26 = 115742359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115742323) 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, 50693 + ... + 52926.

It is an arithmetic number, because the mean of its divisors is an integer number (28961790).

Almost surely, 2115742423 is an apocalyptic number.

115742423 is a deficient number, since it is larger than the sum of its proper divisors (104737).

115742423 is a wasteful number, since it uses less digits than its factorization.

115742423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104736.

The product of its digits is 6720, while the sum is 29.

The square root of 115742423 is about 10758.3652568594. The cubic root of 115742423 is about 487.3386507895.

Adding to 115742423 its reverse (324247511), we get a palindrome (439989934).

The spelling of 115742423 in words is "one hundred fifteen million, seven hundred forty-two thousand, four hundred twenty-three".

Divisors: 1 1117 103619 115742423