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218084106 = 23353102967
BaseRepresentation
bin11001111111110…
…11001100001010
3120012100211011010
430333323030022
5421312142411
633350144350
75255453502
oct1477731412
9505324133
10218084106
111021148a9
12610520b6
1336249666
1420d6ca02
151422c7a6
hexcffb30a

218084106 has 16 divisors (see below), whose sum is σ = 437408064. Its totient is φ = 72488064.

The previous prime is 218084099. The next prime is 218084173. The reversal of 218084106 is 601480812.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49366 + ... + 53601.

It is an arithmetic number, because the mean of its divisors is an integer number (27338004).

Almost surely, 2218084106 is an apocalyptic number.

218084106 is an abundant number, since it is smaller than the sum of its proper divisors (219323958).

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

218084106 is a wasteful number, since it uses less digits than its factorization.

218084106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103325.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 218084106 is about 14767.6709741245. The cubic root of 218084106 is about 601.9235544184.

The spelling of 218084106 in words is "two hundred eighteen million, eighty-four thousand, one hundred six".

Divisors: 1 2 3 6 353 706 1059 2118 102967 205934 308901 617802 36347351 72694702 109042053 218084106