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2834905 = 51394079
BaseRepresentation
bin1010110100000111011001
312100000202111
422310013121
51211204110
6140432321
733045013
oct12640731
95300674
102834905
1116669a7
12b486a1
13783478
1453b1b3
153aee8a
hex2b41d9

2834905 has 8 divisors (see below), whose sum is σ = 3427200. Its totient is φ = 2251056.

The previous prime is 2834893. The next prime is 2834921. The reversal of 2834905 is 5094382.

2834905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2834905 - 25 = 2834873 is a prime.

2834905 is a lucky number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1345 + ... + 2734.

It is an arithmetic number, because the mean of its divisors is an integer number (428400).

22834905 is an apocalyptic number.

It is an amenable number.

2834905 is a deficient number, since it is larger than the sum of its proper divisors (592295).

2834905 is a wasteful number, since it uses less digits than its factorization.

2834905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4223.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2834905 is about 1683.7176129031. The cubic root of 2834905 is about 141.5292385067.

The spelling of 2834905 in words is "two million, eight hundred thirty-four thousand, nine hundred five".

Divisors: 1 5 139 695 4079 20395 566981 2834905