Search a number
-
+
115023101 = 209954799
BaseRepresentation
bin1101101101100…
…01110011111101
322000102210000212
412312301303331
5213421214401
615225202205
72564452214
oct666616375
9260383025
10115023101
1159a22616
1232630365
131aaa380b
14113c207b
15a170dbb
hex6db1cfd

115023101 has 4 divisors (see below), whose sum is σ = 115080000. Its totient is φ = 114966204.

The previous prime is 115023059. The next prime is 115023119. The reversal of 115023101 is 101320511.

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.

It is a cyclic number.

It is not a de Polignac number, because 115023101 - 210 = 115022077 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 (115023191) 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, 25301 + ... + 29498.

It is an arithmetic number, because the mean of its divisors is an integer number (28770000).

Almost surely, 2115023101 is an apocalyptic number.

It is an amenable number.

115023101 is a deficient number, since it is larger than the sum of its proper divisors (56899).

115023101 is an equidigital number, since it uses as much as digits as its factorization.

115023101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56898.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 115023101 is about 10724.8823303568. The cubic root of 115023101 is about 486.3269729213.

Adding to 115023101 its reverse (101320511), we get a palindrome (216343612).

The spelling of 115023101 in words is "one hundred fifteen million, twenty-three thousand, one hundred one".

Divisors: 1 2099 54799 115023101