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85502208 = 2831129349
BaseRepresentation
bin1010001100010…
…10100100000000
312221212221222110
411012022210000
5133342032313
612252335320
72055520401
oct506124400
9187787873
1085502208
114429a090
1224774540
131493892c
14b4d99a8
15778dec3
hex518a900

85502208 has 144 divisors (see below), whose sum is σ = 257544000. Its totient is φ = 24944640.

The previous prime is 85502203. The next prime is 85502213. The reversal of 85502208 is 80220558.

It is an interprime number because it is at equal distance from previous prime (85502203) and next prime (85502213).

It is not an unprimeable number, because it can be changed into a prime (85502203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244818 + ... + 245166.

It is an arithmetic number, because the mean of its divisors is an integer number (1788500).

Almost surely, 285502208 is an apocalyptic number.

85502208 is a gapful number since it is divisible by the number (88) 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 85502208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128772000).

85502208 is an abundant number, since it is smaller than the sum of its proper divisors (172041792).

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

85502208 is a wasteful number, since it uses less digits than its factorization.

85502208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 85502208 is about 9246.7403986486. The cubic root of 85502208 is about 440.5471979930.

The spelling of 85502208 in words is "eighty-five million, five hundred two thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 29 32 33 44 48 58 64 66 87 88 96 116 128 132 174 176 192 232 256 264 319 348 349 352 384 464 528 638 696 698 704 768 928 957 1047 1056 1276 1392 1396 1408 1856 1914 2094 2112 2552 2784 2792 2816 3712 3828 3839 4188 4224 5104 5568 5584 7424 7656 7678 8376 8448 10121 10208 11136 11168 11517 15312 15356 16752 20242 20416 22272 22336 23034 30363 30624 30712 33504 40484 40832 44672 46068 60726 61248 61424 67008 80968 81664 89344 92136 111331 121452 122496 122848 134016 161936 184272 222662 242904 244992 245696 268032 323872 333993 368544 445324 485808 491392 647744 667986 737088 890648 971616 982784 1295488 1335972 1474176 1781296 1943232 2590976 2671944 2948352 3562592 3886464 5343888 7125184 7772928 10687776 14250368 21375552 28500736 42751104 85502208