Search a number
-
+
115939897 = 593176199
BaseRepresentation
bin1101110100100…
…01101000111001
322002011100122021
412322101220321
5214140034042
615300554441
72605321123
oct672215071
9262140567
10115939897
115a4993a7
12329b2a21
131b034bb8
1411580213
15a2a2867
hex6e91a39

115939897 has 8 divisors (see below), whose sum is σ = 118296000. Its totient is φ = 113596944.

The previous prime is 115939891. The next prime is 115939909. The reversal of 115939897 is 798939511.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-115939897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115939891) 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, 15604 + ... + 21802.

It is an arithmetic number, because the mean of its divisors is an integer number (14787000).

Almost surely, 2115939897 is an apocalyptic number.

It is an amenable number.

115939897 is a deficient number, since it is larger than the sum of its proper divisors (2356103).

115939897 is an equidigital number, since it uses as much as digits as its factorization.

115939897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6575.

The product of its digits is 612360, while the sum is 52.

The square root of 115939897 is about 10767.5390410251. The cubic root of 115939897 is about 487.6156510188.

The spelling of 115939897 in words is "one hundred fifteen million, nine hundred thirty-nine thousand, eight hundred ninety-seven".

Divisors: 1 59 317 6199 18703 365741 1965083 115939897