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8072418 = 231936971
BaseRepresentation
bin11110110010110011100010
3120012010021110
4132302303202
54031304133
6445004150
7125420514
oct36626342
916163243
108072418
114613a22
122853656
1318983a3
141101bb4
15a96c63
hex7b2ce2

8072418 has 16 divisors (see below), whose sum is σ = 16230816. Its totient is φ = 2676480.

The previous prime is 8072417. The next prime is 8072423. The reversal of 8072418 is 8142708.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8072417) 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, 2328 + ... + 4643.

It is an arithmetic number, because the mean of its divisors is an integer number (1014426).

Almost surely, 28072418 is an apocalyptic number.

8072418 is an abundant number, since it is smaller than the sum of its proper divisors (8158398).

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

8072418 is a wasteful number, since it uses less digits than its factorization.

8072418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7169.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 8072418 is about 2841.2000985499. The cubic root of 8072418 is about 200.6016714754.

The spelling of 8072418 in words is "eight million, seventy-two thousand, four hundred eighteen".

Divisors: 1 2 3 6 193 386 579 1158 6971 13942 20913 41826 1345403 2690806 4036209 8072418