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83316870 = 23357133391
BaseRepresentation
bin1001111011101…
…01000010000110
312210202221021000
410331311002012
5132312114440
612133434130
72031116220
oct475650206
9183687230
1083316870
114303721a
1223a9b946
1314352030
14b0cb410
1574ab730
hex4f75086

83316870 has 128 divisors (see below), whose sum is σ = 273530880. Its totient is φ = 17573760.

The previous prime is 83316823. The next prime is 83316887. The reversal of 83316870 is 7861338.

It is a congruent number.

It is an unprimeable number.

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, 22875 + ... + 26265.

It is an arithmetic number, because the mean of its divisors is an integer number (2136960).

Almost surely, 283316870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83316870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136765440).

83316870 is an abundant number, since it is smaller than the sum of its proper divisors (190214010).

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

83316870 is a wasteful number, since it uses less digits than its factorization.

83316870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427 (or 3421 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 83316870 is about 9127.8075133079. The cubic root of 83316870 is about 436.7614663810.

The spelling of 83316870 in words is "eighty-three million, three hundred sixteen thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 7 9 10 13 14 15 18 21 26 27 30 35 39 42 45 54 63 65 70 78 90 91 105 117 126 130 135 182 189 195 210 234 270 273 315 351 378 390 455 546 585 630 702 819 910 945 1170 1365 1638 1755 1890 2457 2730 3391 3510 4095 4914 6782 8190 10173 12285 16955 20346 23737 24570 30519 33910 44083 47474 50865 61038 71211 88166 91557 101730 118685 132249 142422 152595 183114 213633 220415 237370 264498 305190 308581 356055 396747 427266 440830 457785 617162 640899 661245 712110 793494 915570 925743 1068165 1190241 1281798 1322490 1542905 1851486 1983735 2136330 2380482 2777229 3085810 3204495 3967470 4628715 5554458 5951205 6408990 8331687 9257430 11902410 13886145 16663374 27772290 41658435 83316870