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8348064040 = 2351109188189
BaseRepresentation
bin1111100011001010…
…10101100100101000
3210112210100121000001
413301211111210220
5114044101022130
63500211552344
7413605242061
oct76145254450
923483317001
108348064040
1135a42a0088
12174b8bb6b4
13a3069c084
145929cd568
1533cd506ca
hex1f1955928

8348064040 has 32 divisors (see below), whose sum is σ = 18800181000. Its totient is φ = 3336196864.

The previous prime is 8348064019. The next prime is 8348064041. The reversal of 8348064040 is 404608438.

It can be written as a sum of positive squares in 4 ways, for example, as 2436607044 + 5911456996 = 49362^2 + 76886^2 .

It is a super-2 number, since 2×83480640402 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8348064041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49735 + ... + 138454.

Almost surely, 28348064040 is an apocalyptic number.

It is an amenable number.

8348064040 is an abundant number, since it is smaller than the sum of its proper divisors (10452116960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8348064040 is a wasteful number, since it uses less digits than its factorization.

8348064040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189309 (or 189305 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 8348064040 is about 91367.7406965938. The cubic root of 8348064040 is about 2028.5945637682.

The spelling of 8348064040 in words is "eight billion, three hundred forty-eight million, sixty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 1109 2218 4436 5545 8872 11090 22180 44360 188189 376378 752756 940945 1505512 1881890 3763780 7527560 208701601 417403202 834806404 1043508005 1669612808 2087016010 4174032020 8348064040