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85360360 = 23523314173
BaseRepresentation
bin1010001011001…
…11111011101000
312221121202101211
411011213323220
5133323012420
612245322504
72054360011
oct505477350
9187552354
1085360360
1144202558
1224706434
13148b91b7
14b4a0008
157761e5a
hex5167ee8

85360360 has 128 divisors (see below), whose sum is σ = 214824960. Its totient is φ = 30412800.

The previous prime is 85360351. The next prime is 85360361. The reversal of 85360360 is 6306358.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (85360361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1169284 + ... + 1169356.

It is an arithmetic number, because the mean of its divisors is an integer number (1678320).

Almost surely, 285360360 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85360360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107412480).

85360360 is an abundant number, since it is smaller than the sum of its proper divisors (129464600).

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

85360360 is a wasteful number, since it uses less digits than its factorization.

85360360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 85360360 is about 9239.0670524680. The cubic root of 85360360 is about 440.3034408252.

The spelling of 85360360 in words is "eighty-five million, three hundred sixty thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 20 23 31 40 41 46 62 73 82 92 115 124 146 155 164 184 205 230 248 292 310 328 365 410 460 584 620 713 730 820 920 943 1240 1271 1426 1460 1640 1679 1886 2263 2542 2852 2920 2993 3358 3565 3772 4526 4715 5084 5704 5986 6355 6716 7130 7544 8395 9052 9430 10168 11315 11972 12710 13432 14260 14965 16790 18104 18860 22630 23944 25420 28520 29233 29930 33580 37720 45260 50840 52049 58466 59860 67160 68839 90520 92783 104098 116932 119720 137678 146165 185566 208196 233864 260245 275356 292330 344195 371132 416392 463915 520490 550712 584660 688390 742264 927830 1040980 1169320 1376780 1855660 2081960 2134009 2753560 3711320 4268018 8536036 10670045 17072072 21340090 42680180 85360360