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213616672 = 2514394639
BaseRepresentation
bin11001011101110…
…00100000100000
3112212221211222121
430232320200200
5414141213142
633110314024
75202466063
oct1456704040
9485854877
10213616672
11aa643405
125b658914
13353440c9
14205288da
1513b48c67
hexcbb8820

213616672 has 24 divisors (see below), whose sum is σ = 420940800. Its totient is φ = 106711104.

The previous prime is 213616633. The next prime is 213616673. The reversal of 213616672 is 276616312.

It is a happy number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (213616673) by changing a digit.

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, 43729 + ... + 48367.

It is an arithmetic number, because the mean of its divisors is an integer number (17539200).

Almost surely, 2213616672 is an apocalyptic number.

It is an amenable number.

213616672 is a deficient number, since it is larger than the sum of its proper divisors (207324128).

213616672 is a wasteful number, since it uses less digits than its factorization.

213616672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6088 (or 6080 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 213616672 is about 14615.6310845615. The cubic root of 213616672 is about 597.7850481906.

The spelling of 213616672 in words is "two hundred thirteen million, six hundred sixteen thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 32 1439 2878 4639 5756 9278 11512 18556 23024 37112 46048 74224 148448 6675521 13351042 26702084 53404168 106808336 213616672