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2105064 = 2332132173
BaseRepresentation
bin1000000001111011101000
310221221121100
420001323220
51014330224
6113041400
723615133
oct10017350
93857540
102105064
111208625
12856260
13589200
143cb21a
152b8ac9
hex201ee8

2105064 has 72 divisors (see below), whose sum is σ = 6209190. Its totient is φ = 643968.

The previous prime is 2105027. The next prime is 2105069. The reversal of 2105064 is 4605012.

It is a happy number.

2105064 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1542564 + 562500 = 1242^2 + 750^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2105069) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12082 + ... + 12254.

22105064 is an apocalyptic number.

2105064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2105064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3104595).

2105064 is an abundant number, since it is smaller than the sum of its proper divisors (4104126).

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

2105064 is a wasteful number, since it uses less digits than its factorization.

2105064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2105064 is about 1450.8838685436. The cubic root of 2105064 is about 128.1607680428.

The spelling of 2105064 in words is "two million, one hundred five thousand, sixty-four".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 36 39 52 72 78 104 117 156 169 173 234 312 338 346 468 507 519 676 692 936 1014 1038 1352 1384 1521 1557 2028 2076 2249 3042 3114 4056 4152 4498 6084 6228 6747 8996 12168 12456 13494 17992 20241 26988 29237 40482 53976 58474 80964 87711 116948 161928 175422 233896 263133 350844 526266 701688 1052532 2105064