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2105834 = 22345779
BaseRepresentation
bin1000000010000111101010
310221222122212
420002013222
51014341314
6113045122
723620313
oct10020752
93858585
102105834
111209165
128567a2
13589673
143cb60a
152b8e3e
hex2021ea

2105834 has 8 divisors (see below), whose sum is σ = 3296160. Its totient is φ = 1007116.

The previous prime is 2105833. The next prime is 2105837. The reversal of 2105834 is 4385012.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22844 + ... + 22935.

It is an arithmetic number, because the mean of its divisors is an integer number (412020).

22105834 is an apocalyptic number.

2105834 is a deficient number, since it is larger than the sum of its proper divisors (1190326).

2105834 is a wasteful number, since it uses less digits than its factorization.

2105834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45804.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2105834 is about 1451.1491997724. The cubic root of 2105834 is about 128.1763925498.

The spelling of 2105834 in words is "two million, one hundred five thousand, eight hundred thirty-four".

Divisors: 1 2 23 46 45779 91558 1052917 2105834