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2149055 = 517131193
BaseRepresentation
bin1000001100101010111111
311001011221122
420030222333
51022232210
6114021155
724160316
oct10145277
94034848
102149055
111238687
128777bb
135a323c
143dd27d
152c6b55
hex20cabf

2149055 has 16 divisors (see below), whose sum is σ = 2765664. Its totient is φ = 1597440.

The previous prime is 2149039. The next prime is 2149057. The reversal of 2149055 is 5509412.

It is not a de Polignac number, because 2149055 - 24 = 2149039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149057) 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, 11039 + ... + 11231.

It is an arithmetic number, because the mean of its divisors is an integer number (172854).

22149055 is an apocalyptic number.

2149055 is a deficient number, since it is larger than the sum of its proper divisors (616609).

2149055 is a wasteful number, since it uses less digits than its factorization.

2149055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 2149055 is about 1465.9655521191. The cubic root of 2149055 is about 129.0473755843.

The spelling of 2149055 in words is "two million, one hundred forty-nine thousand, fifty-five".

Divisors: 1 5 17 85 131 193 655 965 2227 3281 11135 16405 25283 126415 429811 2149055