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115434423 = 33131731901
BaseRepresentation
bin1101110000101…
…10001110110111
322001012200021000
412320112032313
5214022400143
615242054343
72601114336
oct670261667
9261180230
10115434423
115a183655
12327aa3b3
131abb8ac0
141148bd1d
15a202bd3
hex6e163b7

115434423 has 32 divisors (see below), whose sum is σ = 185330880. Its totient is φ = 70588800.

The previous prime is 115434391. The next prime is 115434439. The reversal of 115434423 is 324434511.

It is a happy number.

It is not a de Polignac number, because 115434423 - 25 = 115434391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115434223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59773 + ... + 61673.

It is an arithmetic number, because the mean of its divisors is an integer number (5791590).

Almost surely, 2115434423 is an apocalyptic number.

115434423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

115434423 is a deficient number, since it is larger than the sum of its proper divisors (69896457).

115434423 is a wasteful number, since it uses less digits than its factorization.

115434423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096 (or 2090 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 115434423 is about 10744.0412787740. The cubic root of 115434423 is about 486.9059841816.

Adding to 115434423 its reverse (324434511), we get a palindrome (439868934).

The spelling of 115434423 in words is "one hundred fifteen million, four hundred thirty-four thousand, four hundred twenty-three".

Divisors: 1 3 9 13 27 39 117 173 351 519 1557 1901 2249 4671 5703 6747 17109 20241 24713 51327 60723 74139 222417 328873 667251 986619 2959857 4275349 8879571 12826047 38478141 115434423