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1000219 = 11791151
BaseRepresentation
bin11110100001100011011
31212211001011
43310030123
5224001334
633234351
711334043
oct3641433
91784034
101000219
11623530
124029b7
1329035c
141c0723
1514b564
hexf431b

1000219 has 8 divisors (see below), whose sum is σ = 1105920. Its totient is φ = 897000.

The previous prime is 1000213. The next prime is 1000231. The reversal of 1000219 is 9120001.

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 1000219 - 23 = 1000211 is a prime.

It is a super-2 number, since 2×10002192 = 2000876095922, which contains 22 as substring.

It is a Duffinian number.

1000219 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1000199 and 1000208.

It is not an unprimeable number, because it can be changed into a prime (1000211) 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, 294 + ... + 1444.

It is an arithmetic number, because the mean of its divisors is an integer number (138240).

21000219 is an apocalyptic number.

1000219 is a deficient number, since it is larger than the sum of its proper divisors (105701).

1000219 is a wasteful number, since it uses less digits than its factorization.

1000219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1000219 is about 1000.1094940055. The cubic root of 1000219 is about 100.0072994672.

The spelling of 1000219 in words is "one million, two hundred nineteen", and thus it is an aban number.

Divisors: 1 11 79 869 1151 12661 90929 1000219