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115481929 is a prime number
BaseRepresentation
bin1101110001000…
…01110101001001
322001022002102111
412320201311021
5214030410204
615243102321
72601403003
oct670416511
9261262374
10115481929
115a206312
12328119a1
131ac04604
14114a1373
15a211d04
hex6e21d49

115481929 has 2 divisors, whose sum is σ = 115481930. Its totient is φ = 115481928.

The previous prime is 115481917. The next prime is 115481957. The reversal of 115481929 is 929184511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97614400 + 17867529 = 9880^2 + 4227^2 .

It is a cyclic number.

It is not a de Polignac number, because 115481929 - 25 = 115481897 is a prime.

It is a super-2 number, since 2×1154819292 = 26672151851122082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115481891 and 115481900.

It is not a weakly prime, because it can be changed into another prime (115481909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57740964 + 57740965.

It is an arithmetic number, because the mean of its divisors is an integer number (57740965).

Almost surely, 2115481929 is an apocalyptic number.

It is an amenable number.

115481929 is a deficient number, since it is larger than the sum of its proper divisors (1).

115481929 is an equidigital number, since it uses as much as digits as its factorization.

115481929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 40.

The square root of 115481929 is about 10746.2518582062. The cubic root of 115481929 is about 486.9727689491.

The spelling of 115481929 in words is "one hundred fifteen million, four hundred eighty-one thousand, nine hundred twenty-nine".