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85192224 = 2531325989
BaseRepresentation
bin1010001001111…
…10111000100000
312221022012202120
411010332320200
5133302122344
612241544240
72053056555
oct504767040
9187265676
1085192224
11440a81a7
1224645080
131485a800
14b458a2c
15772c219
hex513ee20

85192224 has 144 divisors (see below), whose sum is σ = 249026400. Its totient is φ = 25479168.

The previous prime is 85192201. The next prime is 85192231. The reversal of 85192224 is 42229158.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 957172 + ... + 957260.

It is an arithmetic number, because the mean of its divisors is an integer number (1729350).

Almost surely, 285192224 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 85192224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124513200).

85192224 is an abundant number, since it is smaller than the sum of its proper divisors (163834176).

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

85192224 is a wasteful number, since it uses less digits than its factorization.

85192224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 166 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 85192224 is about 9229.9633802090. The cubic root of 85192224 is about 440.0141593240.

The spelling of 85192224 in words is "eighty-five million, one hundred ninety-two thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 59 78 89 96 104 118 156 169 177 178 208 236 267 312 338 354 356 416 472 507 534 624 676 708 712 767 944 1014 1068 1157 1248 1352 1416 1424 1534 1888 2028 2136 2301 2314 2704 2832 2848 3068 3471 4056 4272 4602 4628 5251 5408 5664 6136 6942 8112 8544 9204 9256 9971 10502 12272 13884 15041 15753 16224 18408 18512 19942 21004 24544 27768 29913 30082 31506 36816 37024 39884 42008 45123 55536 59826 60164 63012 68263 73632 79768 84016 90246 111072 119652 120328 126024 136526 159536 168032 180492 204789 239304 240656 252048 273052 319072 360984 409578 478608 481312 504096 546104 721968 819156 887419 957216 1092208 1443936 1638312 1774838 2184416 2662257 3276624 3549676 5324514 6553248 7099352 10649028 14198704 21298056 28397408 42596112 85192224