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BaseRepresentation
bin11110101010001111101
31220001010222
43311101331
5224122134
633311125
711353031
oct3652175
91801128
101004669
11626906
124054a5
132923a3
141c21c1
1514ca2e
hexf547d

1004669 has 2 divisors, whose sum is σ = 1004670. Its totient is φ = 1004668.

The previous prime is 1004659. The next prime is 1004671. The reversal of 1004669 is 9664001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 582169 + 422500 = 763^2 + 650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1004669 is a prime.

It is a super-2 number, since 2×10046692 = 2018719599122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1004671, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004659) 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 as a sum of consecutive naturals, namely, 502334 + 502335.

It is an arithmetic number, because the mean of its divisors is an integer number (502335).

21004669 is an apocalyptic number.

It is an amenable number.

1004669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004669 is an equidigital number, since it uses as much as digits as its factorization.

1004669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1004669 is about 1002.3317813978. The cubic root of 1004669 is about 100.1553917423.

The spelling of 1004669 in words is "one million, four thousand, six hundred sixty-nine".