Search a number
-
+
115457701 is a prime number
BaseRepresentation
bin1101110000110…
…11111010100101
322001020212012011
412320123322211
5214024121301
615242354221
72601242242
oct670337245
9261225164
10115457701
115a19a097
12327bb971
131abc6588
14114965c9
15a209a51
hex6e1bea5

115457701 has 2 divisors, whose sum is σ = 115457702. Its totient is φ = 115457700.

The previous prime is 115457669. The next prime is 115457711. The reversal of 115457701 is 107754511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88924900 + 26532801 = 9430^2 + 5151^2 .

It is an emirp because it is prime and its reverse (107754511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115457701 - 25 = 115457669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115457711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57728850 + 57728851.

It is an arithmetic number, because the mean of its divisors is an integer number (57728851).

Almost surely, 2115457701 is an apocalyptic number.

It is an amenable number.

115457701 is a deficient number, since it is larger than the sum of its proper divisors (1).

115457701 is an equidigital number, since it uses as much as digits as its factorization.

115457701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4900, while the sum is 31.

The square root of 115457701 is about 10745.1245223124. The cubic root of 115457701 is about 486.9387110910.

The spelling of 115457701 in words is "one hundred fifteen million, four hundred fifty-seven thousand, seven hundred one".