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2115055 = 517149167
BaseRepresentation
bin1000000100010111101111
310222110022101
420010113233
51020140210
6113155531
723656225
oct10042757
93873271
102115055
111215088
1285bba7
13590917
143d0b15
152bba3a
hex2045ef

2115055 has 16 divisors (see below), whose sum is σ = 2721600. Its totient is φ = 1572352.

The previous prime is 2115049. The next prime is 2115059. The reversal of 2115055 is 5505112.

2115055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2115055 - 221 = 17903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12582 + ... + 12748.

It is an arithmetic number, because the mean of its divisors is an integer number (170100).

22115055 is an apocalyptic number.

2115055 is a deficient number, since it is larger than the sum of its proper divisors (606545).

2115055 is a wasteful number, since it uses less digits than its factorization.

2115055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 2115055 is about 1454.3228664915. The cubic root of 2115055 is about 128.3632058793.

The spelling of 2115055 in words is "two million, one hundred fifteen thousand, fifty-five".

Divisors: 1 5 17 85 149 167 745 835 2533 2839 12665 14195 24883 124415 423011 2115055