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70604489 is a prime number
BaseRepresentation
bin1000011010101…
…01011011001001
311220212002011002
410031111123021
5121033320424
611001144345
71515061664
oct415253311
9156762132
1070604489
113694421a
121b78b0b5
1311820a07
14953c6db
1562e9cae
hex43556c9

70604489 has 2 divisors, whose sum is σ = 70604490. Its totient is φ = 70604488.

The previous prime is 70604467. The next prime is 70604509. The reversal of 70604489 is 98440607.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46348864 + 24255625 = 6808^2 + 4925^2 .

It is a cyclic number.

It is not a de Polignac number, because 70604489 - 212 = 70600393 is a prime.

It is a super-2 number, since 2×706044892 = 9969987733902242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70604449) 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, 35302244 + 35302245.

It is an arithmetic number, because the mean of its divisors is an integer number (35302245).

Almost surely, 270604489 is an apocalyptic number.

It is an amenable number.

70604489 is a deficient number, since it is larger than the sum of its proper divisors (1).

70604489 is an equidigital number, since it uses as much as digits as its factorization.

70604489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 70604489 is about 8402.6477374694. The cubic root of 70604489 is about 413.3114512494.

The spelling of 70604489 in words is "seventy million, six hundred four thousand, four hundred eighty-nine".