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8074345 = 56532473
BaseRepresentation
bin11110110011010001101001
3120012012220211
4132303101221
54031334340
6445021121
7125426236
oct36632151
916165824
108074345
114615414
1228547a1
131899226
14110278d
15a975ea
hex7b3469

8074345 has 8 divisors (see below), whose sum is σ = 9707976. Its totient is φ = 6446976.

The previous prime is 8074309. The next prime is 8074349. The reversal of 8074345 is 5434708.

It can be written as a sum of positive squares in 4 ways, for example, as 746496 + 7327849 = 864^2 + 2707^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8074345 - 27 = 8074217 is a prime.

It is a Duffinian number.

8074345 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8074349) 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 in 7 ways as a sum of consecutive naturals, for example, 2029 + ... + 4501.

It is an arithmetic number, because the mean of its divisors is an integer number (1213497).

Almost surely, 28074345 is an apocalyptic number.

It is an amenable number.

8074345 is a deficient number, since it is larger than the sum of its proper divisors (1633631).

8074345 is a wasteful number, since it uses less digits than its factorization.

8074345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 8074345 is about 2841.5391955769. The cubic root of 8074345 is about 200.6176323546.

The spelling of 8074345 in words is "eight million, seventy-four thousand, three hundred forty-five".

Divisors: 1 5 653 2473 3265 12365 1614869 8074345