Search a number
-
+
2199100 = 225221991
BaseRepresentation
bin1000011000111000111100
311010201121011
420120320330
51030332400
6115045004
724456241
oct10307074
94121534
102199100
111272242
128a0764
135bcc57
144135c8
152d68ba
hex218e3c

2199100 has 18 divisors (see below), whose sum is σ = 4772264. Its totient is φ = 879600.

The previous prime is 2199077. The next prime is 2199121. The reversal of 2199100 is 19912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10896 + ... + 11095.

22199100 is an apocalyptic number.

2199100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2199100 is an abundant number, since it is smaller than the sum of its proper divisors (2573164).

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

2199100 is a wasteful number, since it uses less digits than its factorization.

2199100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22005 (or 21998 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 2199100 is about 1482.9362764462. The cubic root of 2199100 is about 130.0414069282.

The spelling of 2199100 in words is "two million, one hundred ninety-nine thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 21991 43982 87964 109955 219910 439820 549775 1099550 2199100