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115051 = 1031117
BaseRepresentation
bin11100000101101011
312211211011
4130011223
512140201
62244351
7656266
oct340553
9184734
10115051
1179492
12566b7
13404a1
142dcdd
1524151
hex1c16b

115051 has 4 divisors (see below), whose sum is σ = 116272. Its totient is φ = 113832.

The previous prime is 115021. The next prime is 115057. The reversal of 115051 is 150511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150511 = 413671.

It is a cyclic number.

It is not a de Polignac number, because 115051 - 25 = 115019 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115057) 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, 456 + ... + 661.

It is an arithmetic number, because the mean of its divisors is an integer number (29068).

2115051 is an apocalyptic number.

115051 is a deficient number, since it is larger than the sum of its proper divisors (1221).

115051 is a wasteful number, since it uses less digits than its factorization.

115051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220.

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 115051 is about 339.1916862189. The cubic root of 115051 is about 48.6366289485.

Adding to 115051 its reverse (150511), we get a palindrome (265562).

The spelling of 115051 in words is "one hundred fifteen thousand, fifty-one".

Divisors: 1 103 1117 115051