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213448100 = 22522279403
BaseRepresentation
bin11001011100011…
…11010110100100
3112212122021202012
430232033112210
5414120314400
633102533352
75201164445
oct1456172644
9485567665
10213448100
11aa538798
125b597258
13352b5468
14204c32cc
1513b13d35
hexcb8f5a4

213448100 has 36 divisors (see below), whose sum is σ = 465272304. Its totient is φ = 84994080.

The previous prime is 213448099. The next prime is 213448111. The reversal of 213448100 is 1844312.

It is a super-2 number, since 2×2134481002 = 91120182787220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17999 + ... + 27401.

Almost surely, 2213448100 is an apocalyptic number.

213448100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213448100 is an abundant number, since it is smaller than the sum of its proper divisors (251824204).

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

213448100 is a wasteful number, since it uses less digits than its factorization.

213448100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9644 (or 9637 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 213448100 is about 14609.8631068193. The cubic root of 213448100 is about 597.6277628084.

The spelling of 213448100 in words is "two hundred thirteen million, four hundred forty-eight thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 227 454 908 1135 2270 4540 5675 9403 11350 18806 22700 37612 47015 94030 188060 235075 470150 940300 2134481 4268962 8537924 10672405 21344810 42689620 53362025 106724050 213448100