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2190968 = 231321067
BaseRepresentation
bin1000010110111001111000
311010022102222
420112321320
51030102333
6114543212
724423443
oct10267170
94108388
102190968
11126711a
12897b08
135b9340
1441065a
152d4298
hex216e78

2190968 has 16 divisors (see below), whose sum is σ = 4424280. Its totient is φ = 1011168.

The previous prime is 2190959. The next prime is 2190971. The reversal of 2190968 is 8690912.

2190968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 10430 + ... + 10637.

22190968 is an apocalyptic number.

It is an amenable number.

2190968 is an abundant number, since it is smaller than the sum of its proper divisors (2233312).

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

2190968 is a wasteful number, since it uses less digits than its factorization.

2190968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21086 (or 21082 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 2190968 is about 1480.1918794535. The cubic root of 2190968 is about 129.8809165908.

The spelling of 2190968 in words is "two million, one hundred ninety thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 13 26 52 104 21067 42134 84268 168536 273871 547742 1095484 2190968