Search a number
-
+
115167649 is a prime number
BaseRepresentation
bin1101101110101…
…01000110100001
322000201010022111
412313111012201
5213440331044
615232235321
72565623512
oct667250641
9260633274
10115167649
115a011183
123269bb41
131ab2454c
141141ca09
15a19db34
hex6dd51a1

115167649 has 2 divisors, whose sum is σ = 115167650. Its totient is φ = 115167648.

The previous prime is 115167641. The next prime is 115167667. The reversal of 115167649 is 946761511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83448225 + 31719424 = 9135^2 + 5632^2 .

It is a cyclic number.

It is not a de Polignac number, because 115167649 - 23 = 115167641 is a prime.

It is not a weakly prime, because it can be changed into another prime (115167641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57583824 + 57583825.

It is an arithmetic number, because the mean of its divisors is an integer number (57583825).

Almost surely, 2115167649 is an apocalyptic number.

It is an amenable number.

115167649 is a deficient number, since it is larger than the sum of its proper divisors (1).

115167649 is an equidigital number, since it uses as much as digits as its factorization.

115167649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 40.

The square root of 115167649 is about 10731.6191229469. The cubic root of 115167649 is about 486.5306078546.

The spelling of 115167649 in words is "one hundred fifteen million, one hundred sixty-seven thousand, six hundred forty-nine".