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2197712 = 241112487
BaseRepresentation
bin1000011000100011010000
311010122200202
420120203100
51030311322
6115034332
724452216
oct10304320
94118622
102197712
1112711a0
1289b9a8
135bc42a
14412cb6
152d6292
hex2188d0

2197712 has 20 divisors (see below), whose sum is σ = 4645536. Its totient is φ = 998880.

The previous prime is 2197703. The next prime is 2197733. The reversal of 2197712 is 2177912.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 6068 + ... + 6419.

22197712 is an apocalyptic number.

2197712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2197712 is an abundant number, since it is smaller than the sum of its proper divisors (2447824).

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

2197712 is a wasteful number, since it uses less digits than its factorization.

2197712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12506 (or 12500 counting only the distinct ones).

The product of its digits is 1764, while the sum is 29.

The square root of 2197712 is about 1482.4682121381. The cubic root of 2197712 is about 130.0140418757.

The spelling of 2197712 in words is "two million, one hundred ninety-seven thousand, seven hundred twelve".

Divisors: 1 2 4 8 11 16 22 44 88 176 12487 24974 49948 99896 137357 199792 274714 549428 1098856 2197712