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83470669 is a prime number
BaseRepresentation
bin1001111100110…
…10100101001101
312211001202020021
410332122211031
5132332030134
612141022141
72032326502
oct476324515
9184052207
1083470669
1143131827
1223b54951
13143a7039
14b12b4a9
1574dc0b4
hex4f9a94d

83470669 has 2 divisors, whose sum is σ = 83470670. Its totient is φ = 83470668.

The previous prime is 83470661. The next prime is 83470687. The reversal of 83470669 is 96607438.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57562569 + 25908100 = 7587^2 + 5090^2 .

It is a cyclic number.

It is not a de Polignac number, because 83470669 - 23 = 83470661 is a prime.

It is a super-2 number, since 2×834706692 = 13934705166615122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83470661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41735334 + 41735335.

It is an arithmetic number, because the mean of its divisors is an integer number (41735335).

Almost surely, 283470669 is an apocalyptic number.

It is an amenable number.

83470669 is a deficient number, since it is larger than the sum of its proper divisors (1).

83470669 is an equidigital number, since it uses as much as digits as its factorization.

83470669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 83470669 is about 9136.2283793697. The cubic root of 83470669 is about 437.0300481863.

The spelling of 83470669 in words is "eighty-three million, four hundred seventy thousand, six hundred sixty-nine".