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2105055 = 33531503
BaseRepresentation
bin1000000001111011011111
310221221121000
420001323133
51014330210
6113041343
723615121
oct10017337
93857530
102105055
111208617
12856253
135891c4
143cb211
152b8ac0
hex201edf

2105055 has 32 divisors (see below), whose sum is σ = 3870720. Its totient is φ = 1084320.

The previous prime is 2105027. The next prime is 2105069. The reversal of 2105055 is 5505012.

It is not a de Polignac number, because 2105055 - 210 = 2104031 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3934 + ... + 4436.

It is an arithmetic number, because the mean of its divisors is an integer number (120960).

22105055 is an apocalyptic number.

2105055 is a deficient number, since it is larger than the sum of its proper divisors (1765665).

2105055 is a wasteful number, since it uses less digits than its factorization.

2105055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 2105055 is about 1450.8807669826. The cubic root of 2105055 is about 128.1605853962.

The spelling of 2105055 in words is "two million, one hundred five thousand, fifty-five".

Divisors: 1 3 5 9 15 27 31 45 93 135 155 279 465 503 837 1395 1509 2515 4185 4527 7545 13581 15593 22635 46779 67905 77965 140337 233895 421011 701685 2105055