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70480009 is a prime number
BaseRepresentation
bin1000011001101…
…11000010001001
311220121202101201
410030313002021
5121020330014
610554344201
71514033035
oct414670211
9156552351
1070480009
1136869746
121b72b061
13117a9162
1495091c5
1562c2e74
hex4337089

70480009 has 2 divisors, whose sum is σ = 70480010. Its totient is φ = 70480008.

The previous prime is 70480001. The next prime is 70480037. The reversal of 70480009 is 90008407.

It is an a-pointer prime, because the next prime (70480037) can be obtained adding 70480009 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52881984 + 17598025 = 7272^2 + 4195^2 .

It is a cyclic number.

It is not a de Polignac number, because 70480009 - 23 = 70480001 is a prime.

It is not a weakly prime, because it can be changed into another prime (70480001) 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 as a sum of consecutive naturals, namely, 35240004 + 35240005.

It is an arithmetic number, because the mean of its divisors is an integer number (35240005).

Almost surely, 270480009 is an apocalyptic number.

It is an amenable number.

70480009 is a deficient number, since it is larger than the sum of its proper divisors (1).

70480009 is an equidigital number, since it uses as much as digits as its factorization.

70480009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 70480009 is about 8395.2372807444. The cubic root of 70480009 is about 413.0684106357.

The spelling of 70480009 in words is "seventy million, four hundred eighty thousand, nine".