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2197124 = 22549281
BaseRepresentation
bin1000011000011010000100
311010121212222
420120122010
51030301444
6115031512
724450416
oct10303204
94117788
102197124
111270806
1289b598
135bc097
144129b6
152d5eee
hex218684

2197124 has 6 divisors (see below), whose sum is σ = 3844974. Its totient is φ = 1098560.

The previous prime is 2197087. The next prime is 2197157. The reversal of 2197124 is 4217912.

It can be written as a sum of positive squares in only one way, i.e., 2190400 + 6724 = 1480^2 + 82^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2197093 and 2197102.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 274637 + ... + 274644.

It is an arithmetic number, because the mean of its divisors is an integer number (640829).

22197124 is an apocalyptic number.

It is an amenable number.

2197124 is a deficient number, since it is larger than the sum of its proper divisors (1647850).

2197124 is a wasteful number, since it uses less digits than its factorization.

2197124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549285 (or 549283 counting only the distinct ones).

The product of its digits is 1008, while the sum is 26.

The square root of 2197124 is about 1482.2698809596. The cubic root of 2197124 is about 130.0024457134.

The spelling of 2197124 in words is "two million, one hundred ninety-seven thousand, one hundred twenty-four".

Divisors: 1 2 4 549281 1098562 2197124