Search a number
-
+
115982263 = 711633553
BaseRepresentation
bin1101110100110…
…11111110110111
322002020111202101
412322123332313
5214142413023
615301522531
72605555465
oct672337667
9262214671
10115982263
115a518211
1232a13447
131b04b277
1411591835
15a2b01ad
hex6e9bfb7

115982263 has 4 divisors (see below), whose sum is σ = 117615888. Its totient is φ = 114348640.

The previous prime is 115982249. The next prime is 115982303. The reversal of 115982263 is 362289511.

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 115982263 - 213 = 115974071 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 (115982203) 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, 816706 + ... + 816847.

It is an arithmetic number, because the mean of its divisors is an integer number (29403972).

Almost surely, 2115982263 is an apocalyptic number.

115982263 is a deficient number, since it is larger than the sum of its proper divisors (1633625).

115982263 is an equidigital number, since it uses as much as digits as its factorization.

115982263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633624.

The product of its digits is 25920, while the sum is 37.

The square root of 115982263 is about 10769.5061632370. The cubic root of 115982263 is about 487.6750375614.

It can be divided in two parts, 11598 and 2263, that added together give a triangular number (13861 = T166).

The spelling of 115982263 in words is "one hundred fifteen million, nine hundred eighty-two thousand, two hundred sixty-three".

Divisors: 1 71 1633553 115982263