Search a number
-
+
115672637 is a prime number
BaseRepresentation
bin1101110010100…
…00011000111101
322001122210000202
412321100120331
5214103011022
615251133245
72603126003
oct671203075
9261583022
10115672637
115a326623
12328a4225
131ac70362
1411510a73
15a24d592
hex6e5063d

115672637 has 2 divisors, whose sum is σ = 115672638. Its totient is φ = 115672636.

The previous prime is 115672621. The next prime is 115672639. The reversal of 115672637 is 736276511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91278916 + 24393721 = 9554^2 + 4939^2 .

It is a cyclic number.

It is not a de Polignac number, because 115672637 - 24 = 115672621 is a prime.

It is a super-3 number, since 3×1156726373 (a number of 25 digits) contains 333 as substring.

Together with 115672639, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115672637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115672639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57836318 + 57836319.

It is an arithmetic number, because the mean of its divisors is an integer number (57836319).

Almost surely, 2115672637 is an apocalyptic number.

It is an amenable number.

115672637 is a deficient number, since it is larger than the sum of its proper divisors (1).

115672637 is an equidigital number, since it uses as much as digits as its factorization.

115672637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 38.

The square root of 115672637 is about 10755.1214312066. The cubic root of 115672637 is about 487.2406854059.

The spelling of 115672637 in words is "one hundred fifteen million, six hundred seventy-two thousand, six hundred thirty-seven".