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3149055 = 325713769
BaseRepresentation
bin1100000000110011111111
312220222200200
430000303333
51301232210
6151254543
735523630
oct14006377
95828620
103149055
111860a28
12107a453
13863460
145bd887
154230c0
hex300cff

3149055 has 48 divisors (see below), whose sum is σ = 6726720. Its totient is φ = 1327104.

The previous prime is 3149051. The next prime is 3149057. The reversal of 3149055 is 5509413.

It is not a de Polignac number, because 3149055 - 22 = 3149051 is a prime.

3149055 is a lucky number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3711 + ... + 4479.

It is an arithmetic number, because the mean of its divisors is an integer number (140140).

Almost surely, 23149055 is an apocalyptic number.

3149055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3149055 is an abundant number, since it is smaller than the sum of its proper divisors (3577665).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3149055 is a wasteful number, since it uses less digits than its factorization.

3149055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 3149055 is about 1774.5576913699. The cubic root of 3149055 is about 146.5750604496.

The spelling of 3149055 in words is "three million, one hundred forty-nine thousand, fifty-five".

Divisors: 1 3 5 7 9 13 15 21 35 39 45 63 65 91 105 117 195 273 315 455 585 769 819 1365 2307 3845 4095 5383 6921 9997 11535 16149 26915 29991 34605 48447 49985 69979 80745 89973 149955 209937 242235 349895 449865 629811 1049685 3149055