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115430553 = 3272716761
BaseRepresentation
bin1101110000101…
…01010010011001
322001012110221200
412320111102121
5214022234203
615242024413
72601100140
oct670252231
9261173850
10115430553
115a180757
12327a8109
131abb7104
141148a757
15a2019a3
hex6e15499

115430553 has 24 divisors (see below), whose sum is σ = 191283456. Its totient is φ = 65707200.

The previous prime is 115430551. The next prime is 115430563. The reversal of 115430553 is 355034511.

It is not a de Polignac number, because 115430553 - 21 = 115430551 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115430551) 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 in 23 ways as a sum of consecutive naturals, for example, 13693 + ... + 20453.

It is an arithmetic number, because the mean of its divisors is an integer number (7970144).

Almost surely, 2115430553 is an apocalyptic number.

It is an amenable number.

115430553 is a deficient number, since it is larger than the sum of its proper divisors (75852903).

115430553 is a wasteful number, since it uses less digits than its factorization.

115430553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7045 (or 7042 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 115430553 is about 10743.8611774352. The cubic root of 115430553 is about 486.9005428607.

The spelling of 115430553 in words is "one hundred fifteen million, four hundred thirty thousand, five hundred fifty-three".

Divisors: 1 3 7 9 21 63 271 813 1897 2439 5691 6761 17073 20283 47327 60849 141981 425943 1832231 5496693 12825617 16490079 38476851 115430553