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2196860 = 225109843
BaseRepresentation
bin1000011000010101111100
311010121112012
420120111330
51030244420
6115030352
724446561
oct10302574
94117465
102196860
111270596
1289b3b8
135bbc23
14412868
152d5dc5
hex21857c

2196860 has 12 divisors (see below), whose sum is σ = 4613448. Its totient is φ = 878736.

The previous prime is 2196853. The next prime is 2196869. The reversal of 2196860 is 686912.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196869) 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, 54902 + ... + 54941.

It is an arithmetic number, because the mean of its divisors is an integer number (384454).

22196860 is an apocalyptic number.

2196860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2196860 is an abundant number, since it is smaller than the sum of its proper divisors (2416588).

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

2196860 is a wasteful number, since it uses less digits than its factorization.

2196860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109852 (or 109850 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 2196860 is about 1482.1808256755. The cubic root of 2196860 is about 129.9972386001.

The spelling of 2196860 in words is "two million, one hundred ninety-six thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 109843 219686 439372 549215 1098430 2196860