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5470078909 = 17807307187
BaseRepresentation
bin1010001100000101…
…01100011110111101
3112010012220210121011
411012002230132331
542200320011114
62302442435221
7252360621631
oct50602543675
915105823534
105470078909
112357798279
121087b02b11
136923688a9
1439c6a8dc1
1522035e1c4
hex1460ac7bd

5470078909 has 4 divisors (see below), whose sum is σ = 5470403904. Its totient is φ = 5469753916.

The previous prime is 5470078907. The next prime is 5470078921. The reversal of 5470078909 is 9098700745.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5470078909 - 21 = 5470078907 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5470078907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135787 + ... + 171400.

It is an arithmetic number, because the mean of its divisors is an integer number (1367600976).

Almost surely, 25470078909 is an apocalyptic number.

It is an amenable number.

5470078909 is a deficient number, since it is larger than the sum of its proper divisors (324995).

5470078909 is a wasteful number, since it uses less digits than its factorization.

5470078909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324994.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 5470078909 is about 73959.9818077317. The cubic root of 5470078909 is about 1761.9673795530.

The spelling of 5470078909 in words is "five billion, four hundred seventy million, seventy-eight thousand, nine hundred nine".

Divisors: 1 17807 307187 5470078909