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113240055 = 3531243527
BaseRepresentation
bin1101011111111…
…10011111110111
321220002012011010
412233332133313
5212442140210
615123043303
72543344635
oct657763767
9256065133
10113240055
1158a14a25
1231b10533
131a5cb066
141107a355
159e1c920
hex6bfe7f7

113240055 has 16 divisors (see below), whose sum is σ = 187029504. Its totient is φ = 58446240.

The previous prime is 113240053. The next prime is 113240059. The reversal of 113240055 is 550042311.

It is not a de Polignac number, because 113240055 - 21 = 113240053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113240051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121299 + ... + 122228.

It is an arithmetic number, because the mean of its divisors is an integer number (11689344).

Almost surely, 2113240055 is an apocalyptic number.

113240055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113240055 is a deficient number, since it is larger than the sum of its proper divisors (73789449).

113240055 is a wasteful number, since it uses less digits than its factorization.

113240055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243566.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 113240055 is about 10641.4310597776. The cubic root of 113240055 is about 483.8009207326.

Adding to 113240055 its reverse (550042311), we get a palindrome (663282366).

The spelling of 113240055 in words is "one hundred thirteen million, two hundred forty thousand, fifty-five".

Divisors: 1 3 5 15 31 93 155 465 243527 730581 1217635 3652905 7549337 22648011 37746685 113240055