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2193212 = 227293773
BaseRepresentation
bin1000010111011100111100
311010102112002
420113130330
51030140322
6115001432
724433130
oct10273474
94112462
102193212
11126887a
12899278
135ba378
144113c0
152d4c92
hex21773c

2193212 has 48 divisors (see below), whose sum is σ = 4724160. Its totient is φ = 870912.

The previous prime is 2193209. The next prime is 2193223. The reversal of 2193212 is 2123912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30008 + ... + 30080.

It is an arithmetic number, because the mean of its divisors is an integer number (98420).

22193212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2193212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2362080).

2193212 is an abundant number, since it is smaller than the sum of its proper divisors (2530948).

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

2193212 is a wasteful number, since it uses less digits than its factorization.

2193212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 148 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

The square root of 2193212 is about 1480.9496952969. The cubic root of 2193212 is about 129.9252430150.

The spelling of 2193212 in words is "two million, one hundred ninety-three thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 29 37 58 73 74 116 146 148 203 259 292 406 511 518 812 1022 1036 1073 2044 2117 2146 2701 4234 4292 5402 7511 8468 10804 14819 15022 18907 29638 30044 37814 59276 75628 78329 156658 313316 548303 1096606 2193212