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214684018 = 2121388493
BaseRepresentation
bin11001100101111…
…01000101110010
3112221222002002221
430302331011302
5414424342033
633145231254
75214532633
oct1462750562
9487862087
10214684018
1110020230a
125ba9252a
1335628b83
142072588a
1513caa12d
hexccbd172

214684018 has 8 divisors (see below), whose sum is σ = 322295148. Its totient is φ = 107252304.

The previous prime is 214684003. The next prime is 214684031. The reversal of 214684018 is 810486412.

It can be written as a sum of positive squares in 2 ways, for example, as 161874729 + 52809289 = 12723^2 + 7267^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41821 + ... + 46672.

Almost surely, 2214684018 is an apocalyptic number.

214684018 is a deficient number, since it is larger than the sum of its proper divisors (107611130).

214684018 is a wasteful number, since it uses less digits than its factorization.

214684018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89708.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 214684018 is about 14652.0994400120. The cubic root of 214684018 is about 598.7790151603.

The spelling of 214684018 in words is "two hundred fourteen million, six hundred eighty-four thousand, eighteen".

Divisors: 1 2 1213 2426 88493 176986 107342009 214684018