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8740315309 = 11794574119
BaseRepresentation
bin10000010001111011…
…01010000010101101
3211120010110000120211
420020331222002231
5120400010042214
64003143142421
7426410311555
oct101075520255
924503400524
108740315309
113785753290
12183b144a11
13a93a2970b
145ccb38165
153624d30c4
hex208f6a0ad

8740315309 has 4 divisors (see below), whose sum is σ = 9534889440. Its totient is φ = 7945741180.

The previous prime is 8740315303. The next prime is 8740315327. The reversal of 8740315309 is 9035130478.

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 8740315309 - 23 = 8740315301 is a prime.

It is a super-2 number, since 2×87403153092 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8740315301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397287049 + ... + 397287070.

It is an arithmetic number, because the mean of its divisors is an integer number (2383722360).

Almost surely, 28740315309 is an apocalyptic number.

It is an amenable number.

8740315309 is a deficient number, since it is larger than the sum of its proper divisors (794574131).

8740315309 is a wasteful number, since it uses less digits than its factorization.

8740315309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794574130.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 8740315309 is about 93489.6534863618. The cubic root of 8740315309 is about 2059.8821144876.

The spelling of 8740315309 in words is "eight billion, seven hundred forty million, three hundred fifteen thousand, three hundred nine".

Divisors: 1 11 794574119 8740315309