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2013219 = 321317207
BaseRepresentation
bin111101011100000100011
310210021121200
413223200203
51003410334
6111052243
723053305
oct7534043
93707550
102013219
11115561a
12811083
13556470
143a5975
1529b799
hex1eb823

2013219 has 12 divisors (see below), whose sum is σ = 3131856. Its totient is φ = 1238832.

The previous prime is 2013197. The next prime is 2013227. The reversal of 2013219 is 9123102.

It is a happy number.

It is not a de Polignac number, because 2013219 - 211 = 2011171 is a prime.

It is a super-2 number, since 2×20132192 = 8106101483922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2013229) 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 11 ways as a sum of consecutive naturals, for example, 8487 + ... + 8720.

It is an arithmetic number, because the mean of its divisors is an integer number (260988).

22013219 is an apocalyptic number.

2013219 is a deficient number, since it is larger than the sum of its proper divisors (1118637).

2013219 is a wasteful number, since it uses less digits than its factorization.

2013219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17226 (or 17223 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2013219 is about 1418.8794874830. The cubic root of 2013219 is about 126.2690772727.

The spelling of 2013219 in words is "two million, thirteen thousand, two hundred nineteen".

Divisors: 1 3 9 13 39 117 17207 51621 154863 223691 671073 2013219