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102343230 = 233511172027
BaseRepresentation
bin1100001100110…
…10001000111110
321010120120112000
412012122020332
5202144440410
614053323130
72351621523
oct606321076
9233516460
10102343230
1152851a90
122a3364a6
1318284232
14d84114a
158eb8dc0
hex619a23e

102343230 has 128 divisors (see below), whose sum is σ = 315394560. Its totient is φ = 23339520.

The previous prime is 102343223. The next prime is 102343231. The reversal of 102343230 is 32343201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102343231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49477 + ... + 51503.

It is an arithmetic number, because the mean of its divisors is an integer number (2464020).

Almost surely, 2102343230 is an apocalyptic number.

102343230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102343230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157697280).

102343230 is an abundant number, since it is smaller than the sum of its proper divisors (213051330).

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

102343230 is a wasteful number, since it uses less digits than its factorization.

102343230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071 (or 2065 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 102343230 is about 10116.4830845507. The cubic root of 102343230 is about 467.7563656285.

Adding to 102343230 its reverse (32343201), we get a palindrome (134686431).

It can be divided in two parts, 1023 and 43230, that added together give a triangular number (44253 = T297).

The spelling of 102343230 in words is "one hundred two million, three hundred forty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 17 18 22 27 30 33 34 45 51 54 55 66 85 90 99 102 110 135 153 165 170 187 198 255 270 297 306 330 374 459 495 510 561 594 765 918 935 990 1122 1485 1530 1683 1870 2027 2295 2805 2970 3366 4054 4590 5049 5610 6081 8415 10098 10135 12162 16830 18243 20270 22297 25245 30405 34459 36486 44594 50490 54729 60810 66891 68918 91215 103377 109458 111485 133782 172295 182430 200673 206754 222970 273645 310131 334455 344590 379049 401346 516885 547290 602019 620262 668910 758098 930393 1003365 1033770 1137147 1204038 1550655 1860786 1895245 2006730 2274294 3010095 3101310 3411441 3790490 4651965 5685735 6020190 6822882 9303930 10234323 11371470 17057205 20468646 34114410 51171615 102343230