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2150212 = 222811913
BaseRepresentation
bin1000001100111101000100
311001020112111
420030331010
51022301322
6114030404
724163561
oct10147504
94036474
102150212
111239539
12878404
135a391c
143dd868
152c7177
hex20cf44

2150212 has 12 divisors (see below), whose sum is σ = 3778236. Its totient is φ = 1070720.

The previous prime is 2150209. The next prime is 2150221. The reversal of 2150212 is 2120512.

It can be written as a sum of positive squares in 2 ways, for example, as 1679616 + 470596 = 1296^2 + 686^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2150192 and 2150201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168 + ... + 2080.

It is an arithmetic number, because the mean of its divisors is an integer number (314853).

22150212 is an apocalyptic number.

It is an amenable number.

2150212 is a deficient number, since it is larger than the sum of its proper divisors (1628024).

2150212 is a wasteful number, since it uses less digits than its factorization.

2150212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198 (or 2196 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 2150212 is about 1466.3601194795. The cubic root of 2150212 is about 129.0705301067.

Adding to 2150212 its reverse (2120512), we get a palindrome (4270724).

The spelling of 2150212 in words is "two million, one hundred fifty thousand, two hundred twelve".

Divisors: 1 2 4 281 562 1124 1913 3826 7652 537553 1075106 2150212