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213310000 = 245483257
BaseRepresentation
bin11001011011011…
…01101000110000
3112212101021022101
430231231220300
5414101410000
633055550144
75200051021
oct1455555060
9485337271
10213310000
11aa453a62
125b52b354
1335267647
1420488c48
1513ad7e6a
hexcb6da30

213310000 has 100 divisors (see below), whose sum is σ = 524700792. Its totient is φ = 83968000.

The previous prime is 213309997. The next prime is 213310007. The reversal of 213310000 is 13312.

213310000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×2133100002 = 91002312200000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (213310007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 829872 + ... + 830128.

Almost surely, 2213310000 is an apocalyptic number.

213310000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262350396).

213310000 is an abundant number, since it is smaller than the sum of its proper divisors (311390792).

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

213310000 is an equidigital number, since it uses as much as digits as its factorization.

213310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 213310000 is about 14605.1360828991. The cubic root of 213310000 is about 597.4988474736.

Adding to 213310000 its reverse (13312), we get a palindrome (213323312).

The spelling of 213310000 in words is "two hundred thirteen million, three hundred ten thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 83 100 125 166 200 250 257 332 400 415 500 514 625 664 830 1000 1028 1250 1285 1328 1660 2000 2056 2075 2500 2570 3320 4112 4150 5000 5140 6425 6640 8300 10000 10280 10375 12850 16600 20560 20750 21331 25700 32125 33200 41500 42662 51400 51875 64250 83000 85324 102800 103750 106655 128500 160625 166000 170648 207500 213310 257000 321250 341296 415000 426620 514000 533275 642500 830000 853240 1066550 1285000 1706480 2133100 2570000 2666375 4266200 5332750 8532400 10665500 13331875 21331000 26663750 42662000 53327500 106655000 213310000