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115550923 is a prime number
BaseRepresentation
bin1101110001100…
…10101011001011
322001102121001211
412320302223023
5214040112143
615244353551
72602111105
oct670625313
9261377054
10115550923
115a253134
12328458b7
131ac29b37
14114bc575
15a22749d
hex6e32acb

115550923 has 2 divisors, whose sum is σ = 115550924. Its totient is φ = 115550922.

The previous prime is 115550909. The next prime is 115550927. The reversal of 115550923 is 329055511.

It is a strong prime.

It is an emirp because it is prime and its reverse (329055511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-115550923 is a prime.

It is a super-3 number, since 3×1155509233 (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (115550927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57775461 + 57775462.

It is an arithmetic number, because the mean of its divisors is an integer number (57775462).

Almost surely, 2115550923 is an apocalyptic number.

115550923 is a deficient number, since it is larger than the sum of its proper divisors (1).

115550923 is an equidigital number, since it uses as much as digits as its factorization.

115550923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 115550923 is about 10749.4615213972. The cubic root of 115550923 is about 487.0697293154.

The spelling of 115550923 in words is "one hundred fifteen million, five hundred fifty thousand, nine hundred twenty-three".