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2069219 = 3166749
BaseRepresentation
bin111111001001011100011
310220010102202
413321023203
51012203334
6112203415
723405465
oct7711343
93803382
102069219
1111936a9
1283956b
13575ab9
143bc135
152ad17e
hex1f92e3

2069219 has 4 divisors (see below), whose sum is σ = 2136000. Its totient is φ = 2002440.

The previous prime is 2069213. The next prime is 2069227. The reversal of 2069219 is 9129602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2069219 is a prime.

It is a super-2 number, since 2×20692192 = 8563334539922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2069191 and 2069200.

It is not an unprimeable number, because it can be changed into a prime (2069213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33344 + ... + 33405.

It is an arithmetic number, because the mean of its divisors is an integer number (534000).

22069219 is an apocalyptic number.

2069219 is a deficient number, since it is larger than the sum of its proper divisors (66781).

2069219 is an equidigital number, since it uses as much as digits as its factorization.

2069219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66780.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 2069219 is about 1438.4780151257. The cubic root of 2069219 is about 127.4291596737.

The spelling of 2069219 in words is "two million, sixty-nine thousand, two hundred nineteen".

Divisors: 1 31 66749 2069219