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2103189 = 3111723163
BaseRepresentation
bin1000000001011110010101
310221212000220
420001132111
51014300224
6113024553
723606514
oct10013625
93855026
102103189
111207180
12855159
135883ba
143ca67b
152b8279
hex201795

2103189 has 32 divisors (see below), whose sum is σ = 3400704. Its totient is φ = 1140480.

The previous prime is 2103187. The next prime is 2103193. The reversal of 2103189 is 9813012.

It is not a de Polignac number, because 2103189 - 21 = 2103187 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12822 + ... + 12984.

It is an arithmetic number, because the mean of its divisors is an integer number (106272).

22103189 is an apocalyptic number.

It is an amenable number.

2103189 is a deficient number, since it is larger than the sum of its proper divisors (1297515).

2103189 is a wasteful number, since it uses less digits than its factorization.

2103189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 2103189 is about 1450.2375667455. The cubic root of 2103189 is about 128.1227054120.

The spelling of 2103189 in words is "two million, one hundred three thousand, one hundred eighty-nine".

Divisors: 1 3 11 17 23 33 51 69 163 187 253 391 489 561 759 1173 1793 2771 3749 4301 5379 8313 11247 12903 30481 41239 63733 91443 123717 191199 701063 2103189