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2002212 = 223318539
BaseRepresentation
bin111101000110100100100
310202201112000
413220310210
51003032322
6110525300
723006232
oct7506444
93681460
102002212
111148323
12806830
13551454
143a1952
152983ac
hex1e8d24

2002212 has 24 divisors (see below), whose sum is σ = 5191200. Its totient is φ = 667368.

The previous prime is 2002211. The next prime is 2002223. The reversal of 2002212 is 2122002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2002194 and 2002203.

It is not an unprimeable number, because it can be changed into a prime (2002211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9162 + ... + 9377.

It is an arithmetic number, because the mean of its divisors is an integer number (216300).

22002212 is an apocalyptic number.

It is an amenable number.

2002212 is an abundant number, since it is smaller than the sum of its proper divisors (3188988).

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

2002212 is a wasteful number, since it uses less digits than its factorization.

2002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18552 (or 18544 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2002212 is about 1414.9954063530. The cubic root of 2002212 is about 126.0385369651.

Adding to 2002212 its reverse (2122002), we get a palindrome (4124214).

It can be divided in two parts, 2002 and 212, that multiplied together give a palindrome (424424).

The spelling of 2002212 in words is "two million, two thousand, two hundred twelve".