Search a number
-
+
115401233 = 1063910847
BaseRepresentation
bin1101110000011…
…10001000010001
322001010222201202
412320032020101
5214020314413
615241240545
72600615513
oct670161021
9261128652
10115401233
115a160722
1232793155
131aba696c
141147dbb3
15a1e7e58
hex6e0e211

115401233 has 4 divisors (see below), whose sum is σ = 115422720. Its totient is φ = 115379748.

The previous prime is 115401211. The next prime is 115401241. The reversal of 115401233 is 332104511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 115401233 - 28 = 115400977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115401263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5216 + ... + 16062.

It is an arithmetic number, because the mean of its divisors is an integer number (28855680).

Almost surely, 2115401233 is an apocalyptic number.

It is an amenable number.

115401233 is a deficient number, since it is larger than the sum of its proper divisors (21487).

115401233 is a wasteful number, since it uses less digits than its factorization.

115401233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21486.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 115401233 is about 10742.4965906441. The cubic root of 115401233 is about 486.8593142245.

Adding to 115401233 its reverse (332104511), we get a palindrome (447505744).

The spelling of 115401233 in words is "one hundred fifteen million, four hundred one thousand, two hundred thirty-three".

Divisors: 1 10639 10847 115401233