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85056236 = 221719431531
BaseRepresentation
bin1010001000111…
…01101011101100
312221001022012222
411010131223230
5133233244421
612235014512
72051652236
oct504355354
9187038188
1085056236
1144015011
122459a438
1314810945
14b421256
157701cab
hex511daec

85056236 has 48 divisors (see below), whose sum is σ = 169868160. Its totient is φ = 37013760.

The previous prime is 85056221. The next prime is 85056247. The reversal of 85056236 is 63265058.

It is a junction number, because it is equal to n+sod(n) for n = 85056196 and 85056205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54791 + ... + 56321.

It is an arithmetic number, because the mean of its divisors is an integer number (3538920).

Almost surely, 285056236 is an apocalyptic number.

85056236 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

85056236 is a deficient number, since it is larger than the sum of its proper divisors (84811924).

85056236 is a wasteful number, since it uses less digits than its factorization.

85056236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614 (or 1612 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 85056236 is about 9222.5937783251. The cubic root of 85056236 is about 439.7799105901.

It can be divided in two parts, 8505 and 6236, that added together give a palindrome (14741).

The spelling of 85056236 in words is "eighty-five million, fifty-six thousand, two hundred thirty-six".

Divisors: 1 2 4 17 19 34 38 43 68 76 86 172 323 646 731 817 1292 1462 1531 1634 2924 3062 3268 6124 13889 26027 27778 29089 52054 55556 58178 65833 104108 116356 131666 263332 494513 989026 1119161 1250827 1978052 2238322 2501654 4476644 5003308 21264059 42528118 85056236