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213314140 = 2251319291489
BaseRepresentation
bin11001011011011…
…10101001011100
3112212101110222201
430231232221130
5414102023030
633100021244
75200066054
oct1455565134
9485343881
10213314140
11aa457086
125b531824
13352694b0
142048a564
1513ad92ca
hexcb6ea5c

213314140 has 96 divisors (see below), whose sum is σ = 525672000. Its totient is φ = 71995392.

The previous prime is 213314119. The next prime is 213314183. The reversal of 213314140 is 41413312.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142516 + ... + 144004.

It is an arithmetic number, because the mean of its divisors is an integer number (5475750).

Almost surely, 2213314140 is an apocalyptic number.

213314140 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 213314140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262836000).

213314140 is an abundant number, since it is smaller than the sum of its proper divisors (312357860).

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

213314140 is a wasteful number, since it uses less digits than its factorization.

213314140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559 (or 1557 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 213314140 is about 14605.2778131742. The cubic root of 213314140 is about 597.5027129421.

Adding to 213314140 its reverse (41413312), we get a palindrome (254727452).

The spelling of 213314140 in words is "two hundred thirteen million, three hundred fourteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 19 20 26 29 38 52 58 65 76 95 116 130 145 190 247 260 290 377 380 494 551 580 754 988 1102 1235 1489 1508 1885 2204 2470 2755 2978 3770 4940 5510 5956 7163 7445 7540 11020 14326 14890 19357 28291 28652 29780 35815 38714 43181 56582 71630 77428 86362 96785 113164 141455 143260 172724 193570 215905 282910 367783 387140 431810 561353 565820 735566 820439 863620 1122706 1471132 1640878 1838915 2245412 2806765 3281756 3677830 4102195 5613530 7355660 8204390 10665707 11227060 16408780 21331414 42662828 53328535 106657070 213314140