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8084642 = 222318127
BaseRepresentation
bin11110110101110010100010
3120012202001012
4132311302202
54032202032
6445140522
7125501246
oct36656242
916182035
108084642
114622125
12285a742
1318a0b17
141106426
15a9a6b2
hex7b5ca2

8084642 has 8 divisors (see below), whose sum is σ = 12182016. Its totient is φ = 4023972.

The previous prime is 8084641. The next prime is 8084647. The reversal of 8084642 is 2464808.

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

It is a super-2 number, since 2×80846422 = 130722872536328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8084599 and 8084608.

It is not an unprimeable number, because it can be changed into a prime (8084641) 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 3 ways as a sum of consecutive naturals, for example, 8618 + ... + 9509.

It is an arithmetic number, because the mean of its divisors is an integer number (1522752).

Almost surely, 28084642 is an apocalyptic number.

8084642 is a deficient number, since it is larger than the sum of its proper divisors (4097374).

8084642 is a wasteful number, since it uses less digits than its factorization.

8084642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18352.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 8084642 is about 2843.3504884203. The cubic root of 8084642 is about 200.7028769264.

The spelling of 8084642 in words is "eight million, eighty-four thousand, six hundred forty-two".

Divisors: 1 2 223 446 18127 36254 4042321 8084642