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2002195 = 51330803
BaseRepresentation
bin111101000110100010011
310202201111101
413220310103
51003032240
6110525231
723006206
oct7506423
93681441
102002195
111148308
12806817
13551440
143a193d
1529839a
hex1e8d13

2002195 has 8 divisors (see below), whose sum is σ = 2587536. Its totient is φ = 1478496.

The previous prime is 2002159. The next prime is 2002199. The reversal of 2002195 is 5912002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2002195 - 211 = 2000147 is a prime.

It is a Duffinian 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, 15337 + ... + 15466.

It is an arithmetic number, because the mean of its divisors is an integer number (323442).

22002195 is an apocalyptic number.

2002195 is a deficient number, since it is larger than the sum of its proper divisors (585341).

2002195 is a wasteful number, since it uses less digits than its factorization.

2002195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30821.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 2002195 is about 1414.9893992536. The cubic root of 2002195 is about 126.0381802495.

Adding to 2002195 its reverse (5912002), we get a palindrome (7914197).

It can be divided in two parts, 2002 and 195, that added together give a cube (2197 = 133).

The spelling of 2002195 in words is "two million, two thousand, one hundred ninety-five".

Divisors: 1 5 13 65 30803 154015 400439 2002195