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115485305 = 513310513
BaseRepresentation
bin1101110001000…
…10101001111001
322001022021001112
412320202221321
5214031012210
615243130105
72601415565
oct670425171
9261267045
10115485305
115a208901
1232813935
131ac06000
14114a26a5
15a212d05
hex6e22a79

115485305 has 16 divisors (see below), whose sum is σ = 150139920. Its totient is φ = 85273344.

The previous prime is 115485299. The next prime is 115485311. The reversal of 115485305 is 503584511.

It is an interprime number because it is at equal distance from previous prime (115485299) and next prime (115485311).

It can be written as a sum of positive squares in 8 ways, for example, as 113379904 + 2105401 = 10648^2 + 1451^2 .

It is not a de Polignac number, because 115485305 - 24 = 115485289 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5729 + ... + 16241.

It is an arithmetic number, because the mean of its divisors is an integer number (9383745).

Almost surely, 2115485305 is an apocalyptic number.

It is an amenable number.

115485305 is a deficient number, since it is larger than the sum of its proper divisors (34654615).

115485305 is an equidigital number, since it uses as much as digits as its factorization.

115485305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10557 (or 10531 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 115485305 is about 10746.4089350815. The cubic root of 115485305 is about 486.9775142919.

The spelling of 115485305 in words is "one hundred fifteen million, four hundred eighty-five thousand, three hundred five".

Divisors: 1 5 13 65 169 845 2197 10513 10985 52565 136669 683345 1776697 8883485 23097061 115485305