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214545868 = 22113474659
BaseRepresentation
bin11001100100110…
…11010111001100
3112221201001121021
430302123113030
5414410431433
633142243524
75213416105
oct1462332714
9487631537
10214545868
11100118539
125ba265a4
13355ab024
14206cb3ac
1513c7e22d
hexcc9b5cc

214545868 has 12 divisors (see below), whose sum is σ = 378778680. Its totient is φ = 106323392.

The previous prime is 214545839. The next prime is 214545911. The reversal of 214545868 is 868545412.

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, 236878 + ... + 237781.

It is an arithmetic number, because the mean of its divisors is an integer number (31564890).

Almost surely, 2214545868 is an apocalyptic number.

It is an amenable number.

214545868 is a deficient number, since it is larger than the sum of its proper divisors (164232812).

214545868 is a wasteful number, since it uses less digits than its factorization.

214545868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474776 (or 474774 counting only the distinct ones).

The product of its digits is 307200, while the sum is 43.

The square root of 214545868 is about 14647.3843398745. The cubic root of 214545868 is about 598.6505487256.

The spelling of 214545868 in words is "two hundred fourteen million, five hundred forty-five thousand, eight hundred sixty-eight".

Divisors: 1 2 4 113 226 452 474659 949318 1898636 53636467 107272934 214545868