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2105343 = 322231049
BaseRepresentation
bin1000000001111111111111
310221221222200
420001333333
51014332333
6113042543
723616012
oct10017777
93857880
102105343
111208859
12856453
13589386
143cb379
152b8c13
hex201fff

2105343 has 12 divisors (see below), whose sum is σ = 3057600. Its totient is φ = 1395936.

The previous prime is 2105329. The next prime is 2105347. The reversal of 2105343 is 3435012.

It is not a de Polignac number, because 2105343 - 212 = 2101247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1483 + ... + 2531.

It is an arithmetic number, because the mean of its divisors is an integer number (254800).

22105343 is an apocalyptic number.

2105343 is a deficient number, since it is larger than the sum of its proper divisors (952257).

2105343 is a wasteful number, since it uses less digits than its factorization.

2105343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278 (or 1275 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2105343 is about 1450.9800136459. The cubic root of 2105343 is about 128.1664298303.

The spelling of 2105343 in words is "two million, one hundred five thousand, three hundred forty-three".

Divisors: 1 3 9 223 669 1049 2007 3147 9441 233927 701781 2105343