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2201212 = 221342331
BaseRepresentation
bin1000011001011001111100
311010211111101
420121121330
51030414322
6115102444
724465346
oct10313174
94124441
102201212
111273892
128a1a24
135c0bc0
14414296
152d7327
hex21967c

2201212 has 12 divisors (see below), whose sum is σ = 4148536. Its totient is φ = 1015920.

The previous prime is 2201209. The next prime is 2201273. The reversal of 2201212 is 2121022.

2201212 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

2201212 is a modest number, since divided by 1212 gives 220 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21114 + ... + 21217.

22201212 is an apocalyptic number.

It is an amenable number.

2201212 is a deficient number, since it is larger than the sum of its proper divisors (1947324).

2201212 is a wasteful number, since it uses less digits than its factorization.

2201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42348 (or 42346 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2201212 is about 1483.6482062807. The cubic root of 2201212 is about 130.0830238890.

Adding to 2201212 its reverse (2121022), we get a palindrome (4322234).

The spelling of 2201212 in words is "two million, two hundred one thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 42331 84662 169324 550303 1100606 2201212