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213534300 = 223527234421
BaseRepresentation
bin11001011101001…
…00011001011100
3112212210122222210
430232210121130
5414131044200
633104440420
75202003660
oct1456443134
9485718883
10213534300
11aa597531
125b619110
1335315775
14205068a0
1513b2e650
hexcba465c

213534300 has 144 divisors (see below), whose sum is σ = 736952832. Its totient is φ = 46675200.

The previous prime is 213534283. The next prime is 213534313. The reversal of 213534300 is 3435312.

213534300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46090 + ... + 50510.

It is an arithmetic number, because the mean of its divisors is an integer number (5117728).

Almost surely, 2213534300 is an apocalyptic number.

213534300 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 213534300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368476416).

213534300 is an abundant number, since it is smaller than the sum of its proper divisors (523418532).

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

213534300 is a wasteful number, since it uses less digits than its factorization.

213534300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4468 (or 4461 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 213534300 is about 14612.8128709020. The cubic root of 213534300 is about 597.7082016909.

Adding to 213534300 its reverse (3435312), we get a palindrome (216969612).

The spelling of 213534300 in words is "two hundred thirteen million, five hundred thirty-four thousand, three hundred".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 23 25 28 30 35 42 46 50 60 69 70 75 84 92 100 105 115 138 140 150 161 175 210 230 276 300 322 345 350 420 460 483 525 575 644 690 700 805 966 1050 1150 1380 1610 1725 1932 2100 2300 2415 3220 3450 4025 4421 4830 6900 8050 8842 9660 12075 13263 16100 17684 22105 24150 26526 30947 44210 48300 53052 61894 66315 88420 92841 101683 110525 123788 132630 154735 185682 203366 221050 265260 305049 309470 331575 371364 406732 442100 464205 508415 610098 618940 663150 711781 773675 928410 1016830 1220196 1326300 1423562 1525245 1547350 1856820 2033660 2135343 2321025 2542075 2847124 3050490 3094700 3558905 4270686 4642050 5084150 6100980 7117810 7626225 8541372 9284100 10168300 10676715 14235620 15252450 17794525 21353430 30504900 35589050 42706860 53383575 71178100 106767150 213534300