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8072128 = 26126127
BaseRepresentation
bin11110110010101111000000
3120012002212201
4132302233000
54031302003
6445002544
7125416621
oct36625700
916162781
108072128
114613789
122853454
13189820c
141101a48
15a96b1d
hex7b2bc0

8072128 has 14 divisors (see below), whose sum is σ = 16018256. Its totient is φ = 4036032.

The previous prime is 8072123. The next prime is 8072137. The reversal of 8072128 is 8212708.

It is a junction number, because it is equal to n+sod(n) for n = 8072096 and 8072105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8072123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63000 + ... + 63127.

Almost surely, 28072128 is an apocalyptic number.

It is an amenable number.

8072128 is a deficient number, since it is larger than the sum of its proper divisors (7946128).

8072128 is a wasteful number, since it uses less digits than its factorization.

8072128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126139 (or 126129 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 8072128 is about 2841.1490633193. The cubic root of 8072128 is about 200.5992692550.

The spelling of 8072128 in words is "eight million, seventy-two thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 32 64 126127 252254 504508 1009016 2018032 4036064 8072128