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85145346 = 2321113191741
BaseRepresentation
bin1010001001100…
…11011100000010
312221012211110100
411010303130002
5133244122341
612240543230
72052503106
oct504633402
9187184410
1085145346
1144075a60
1224621b16
1314842380
14b445906
15771d3b6
hex5133702

85145346 has 96 divisors (see below), whose sum is σ = 228271680. Its totient is φ = 22550400.

The previous prime is 85145311. The next prime is 85145351. The reversal of 85145346 is 64354158.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 85145346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48036 + ... + 49776.

It is an arithmetic number, because the mean of its divisors is an integer number (2377830).

Almost surely, 285145346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85145346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114135840).

85145346 is an abundant number, since it is smaller than the sum of its proper divisors (143126334).

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

85145346 is a wasteful number, since it uses less digits than its factorization.

85145346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792 (or 1789 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 85145346 is about 9227.4235840781. The cubic root of 85145346 is about 439.9334369006.

It can be divided in two parts, 85145 and 346, that added together give a triangular number (85491 = T413).

The spelling of 85145346 in words is "eighty-five million, one hundred forty-five thousand, three hundred forty-six".

Divisors: 1 2 3 6 9 11 13 18 19 22 26 33 38 39 57 66 78 99 114 117 143 171 198 209 234 247 286 342 418 429 494 627 741 858 1254 1287 1482 1741 1881 2223 2574 2717 3482 3762 4446 5223 5434 8151 10446 15669 16302 19151 22633 24453 31338 33079 38302 45266 48906 57453 66158 67899 99237 114906 135798 172359 198474 203697 248963 297711 344718 363869 407394 430027 497926 595422 727738 746889 860054 1091607 1290081 1493778 2183214 2240667 2580162 3274821 3870243 4481334 4730297 6549642 7740486 9460594 14190891 28381782 42572673 85145346