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8072345 = 57122739
BaseRepresentation
bin11110110010110010011001
3120012010011202
4132302302121
54031303340
6445003545
7125420351
oct36626231
916163152
108072345
114613966
1228535b5
131898348
141101b61
15a96c15
hex7b2c99

8072345 has 8 divisors (see below), whose sum is σ = 9823680. Its totient is φ = 6366640.

The previous prime is 8072329. The next prime is 8072357. The reversal of 8072345 is 5432708.

It is a happy number.

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

It is not a de Polignac number, because 8072345 - 24 = 8072329 is a prime.

It is an unprimeable number.

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, 11015 + ... + 11724.

It is an arithmetic number, because the mean of its divisors is an integer number (1227960).

Almost surely, 28072345 is an apocalyptic number.

It is an amenable number.

8072345 is a deficient number, since it is larger than the sum of its proper divisors (1751335).

8072345 is a wasteful number, since it uses less digits than its factorization.

8072345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22815.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 8072345 is about 2841.1872518368. The cubic root of 8072345 is about 200.6010667840.

The spelling of 8072345 in words is "eight million, seventy-two thousand, three hundred forty-five".

Divisors: 1 5 71 355 22739 113695 1614469 8072345