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2104432 = 241121087
BaseRepresentation
bin1000000001110001110000
310221220201221
420001301300
51014320212
6113034424
723613241
oct10016160
93856657
102104432
111208100
12855a14
13588b35
143cacc8
152b8807
hex201c70

2104432 has 30 divisors (see below), whose sum is σ = 4485824. Its totient is φ = 955680.

The previous prime is 2104423. The next prime is 2104433. The reversal of 2104432 is 2344012.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1393 + ... + 2479.

22104432 is an apocalyptic number.

2104432 is a gapful number since it is divisible by the number (22) 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 2104432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2242912).

2104432 is an abundant number, since it is smaller than the sum of its proper divisors (2381392).

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

2104432 is a wasteful number, since it uses less digits than its factorization.

2104432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117 (or 1100 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2104432 is about 1450.6660539214. Note that the first 3 decimals coincide. The cubic root of 2104432 is about 128.1479409249.

Adding to 2104432 its reverse (2344012), we get a palindrome (4448444).

The spelling of 2104432 in words is "two million, one hundred four thousand, four hundred thirty-two".