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8013218 = 24785247
BaseRepresentation
bin11110100100010110100010
3120002010001212
4132210112202
54022410333
6443430122
7125053103
oct36442642
916063055
108013218
1145834a4
122825342
131877465
1410c83aa
15a84448
hex7a45a2

8013218 has 8 divisors (see below), whose sum is σ = 12275712. Its totient is φ = 3921316.

The previous prime is 8013157. The next prime is 8013233. The reversal of 8013218 is 8123108.

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

It is a junction number, because it is equal to n+sod(n) for n = 8013193 and 8013202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42530 + ... + 42717.

It is an arithmetic number, because the mean of its divisors is an integer number (1534464).

Almost surely, 28013218 is an apocalyptic number.

8013218 is a deficient number, since it is larger than the sum of its proper divisors (4262494).

8013218 is a wasteful number, since it uses less digits than its factorization.

8013218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85296.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 8013218 is about 2830.7627947251. The cubic root of 8013218 is about 200.1100893905.

The spelling of 8013218 in words is "eight million, thirteen thousand, two hundred eighteen".

Divisors: 1 2 47 94 85247 170494 4006609 8013218