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213329900 = 22527304757
BaseRepresentation
bin11001011011100…
…10011111101100
3112212102021121102
430231302133230
5414103024100
633100222232
75200163030
oct1455623754
9485367542
10213329900
11aa467a03
125b53a978
1335273714
14204921c0
1513addcd5
hexcb727ec

213329900 has 36 divisors (see below), whose sum is σ = 529059888. Its totient is φ = 73141440.

The previous prime is 213329881. The next prime is 213329903. The reversal of 213329900 is 9923312.

It is not an unprimeable number, because it can be changed into a prime (213329903) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 151679 + ... + 153078.

It is an arithmetic number, because the mean of its divisors is an integer number (14696108).

Almost surely, 2213329900 is an apocalyptic number.

213329900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213329900 is an abundant number, since it is smaller than the sum of its proper divisors (315729988).

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

213329900 is a wasteful number, since it uses less digits than its factorization.

213329900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304778 (or 304771 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 213329900 is about 14605.8173341994. The cubic root of 213329900 is about 597.5174274079.

The spelling of 213329900 in words is "two hundred thirteen million, three hundred twenty-nine thousand, nine hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 304757 609514 1219028 1523785 2133299 3047570 4266598 6095140 7618925 8533196 10666495 15237850 21332990 30475700 42665980 53332475 106664950 213329900