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84305970 = 2325732731
BaseRepresentation
bin1010000011001…
…10100000110010
312212122012001100
411001212200302
5133040242340
612210545230
72042406000
oct501464062
9185565040
1084305970
1143652361
1224298216
131460a2b8
14b2a7a70
157604830
hex5066832

84305970 has 96 divisors (see below), whose sum is σ = 255715200. Its totient is φ = 19262880.

The previous prime is 84305959. The next prime is 84305993. The reversal of 84305970 is 7950348.

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, 29505 + ... + 32235.

It is an arithmetic number, because the mean of its divisors is an integer number (2663700).

Almost surely, 284305970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84305970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127857600).

84305970 is an abundant number, since it is smaller than the sum of its proper divisors (171409230).

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

84305970 is a wasteful number, since it uses less digits than its factorization.

84305970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765 (or 2748 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 84305970 is about 9181.8282493194. The cubic root of 84305970 is about 438.4830162787.

It can be divided in two parts, 8430 and 5970, that added together give a square (14400 = 1202).

The spelling of 84305970 in words is "eighty-four million, three hundred five thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 49 63 70 90 98 105 126 147 210 245 294 315 343 441 490 630 686 735 882 1029 1470 1715 2058 2205 2731 3087 3430 4410 5145 5462 6174 8193 10290 13655 15435 16386 19117 24579 27310 30870 38234 40965 49158 57351 81930 95585 114702 122895 133819 172053 191170 245790 267638 286755 344106 401457 573510 669095 802914 860265 936733 1204371 1338190 1720530 1873466 2007285 2408742 2810199 4014570 4683665 5620398 6021855 8430597 9367330 12043710 14050995 16861194 28101990 42152985 84305970