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2002190 = 25347577
BaseRepresentation
bin111101000110100001110
310202201111012
413220310032
51003032230
6110525222
723006201
oct7506416
93681435
102002190
111148303
12806812
13551438
143a1938
15298395
hex1e8d0e

2002190 has 16 divisors (see below), whose sum is σ = 3620592. Its totient is φ = 797184.

The previous prime is 2002159. The next prime is 2002199. The reversal of 2002190 is 912002.

It is a super-2 number, since 2×20021902 = 8017529592200, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002199) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3182 + ... + 3758.

It is an arithmetic number, because the mean of its divisors is an integer number (226287).

22002190 is an apocalyptic number.

2002190 is a deficient number, since it is larger than the sum of its proper divisors (1618402).

2002190 is a wasteful number, since it uses less digits than its factorization.

2002190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2002190 is about 1414.9876324548. The cubic root of 2002190 is about 126.0380753327.

Adding to 2002190 its reverse (912002), we get a palindrome (2914192).

The spelling of 2002190 in words is "two million, two thousand, one hundred ninety".

Divisors: 1 2 5 10 347 577 694 1154 1735 2885 3470 5770 200219 400438 1001095 2002190