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115045407 = 3329349421
BaseRepresentation
bin1101101101101…
…11010000011111
322000110220122000
412312313100133
5213422423112
615225453343
72564604231
oct666672037
9260426560
10115045407
1159a38354
1232641253
131aab0a09
14113ca251
15a1777dc
hex6db741f

115045407 has 32 divisors (see below), whose sum is σ = 177240000. Its totient is φ = 73664640.

The previous prime is 115045391. The next prime is 115045417. The reversal of 115045407 is 704540511.

It is a happy number.

115045407 is a `hidden beast` number, since 115 + 0 + 4 + 540 + 7 = 666.

It is not a de Polignac number, because 115045407 - 24 = 115045391 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 (115045417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 273057 + ... + 273477.

It is an arithmetic number, because the mean of its divisors is an integer number (5538750).

Almost surely, 2115045407 is an apocalyptic number.

115045407 is a deficient number, since it is larger than the sum of its proper divisors (62194593).

115045407 is a wasteful number, since it uses less digits than its factorization.

115045407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 115045407 is about 10725.9221981142. The cubic root of 115045407 is about 486.3584080800.

Adding to 115045407 its reverse (704540511), we get a palindrome (819585918).

The spelling of 115045407 in words is "one hundred fifteen million, forty-five thousand, four hundred seven".

Divisors: 1 3 9 27 29 87 261 349 421 783 1047 1263 3141 3789 9423 10121 11367 12209 30363 36627 91089 109881 146929 273267 329643 440787 1322361 3967083 4260941 12782823 38348469 115045407