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84845300 = 225217291721
BaseRepresentation
bin1010000111010…
…10001011110100
312220122120212112
411003222023310
5133210022200
612230310152
72050113251
oct503521364
9186576775
1084845300
1143990591
12244b8358
1314768927
14b3a8428
1576ae535
hex50ea2f4

84845300 has 72 divisors (see below), whose sum is σ = 201783960. Its totient is φ = 30822400.

The previous prime is 84845281. The next prime is 84845303. The reversal of 84845300 is 354848.

It can be written as a sum of positive squares in 12 ways, for example, as 5207524 + 79637776 = 2282^2 + 8924^2 .

It is a super-3 number, since 3×848453003 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84845303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48440 + ... + 50160.

It is an arithmetic number, because the mean of its divisors is an integer number (2802555).

Almost surely, 284845300 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 84845300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100891980).

84845300 is an abundant number, since it is smaller than the sum of its proper divisors (116938660).

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

84845300 is a wasteful number, since it uses less digits than its factorization.

84845300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781 (or 1774 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 84845300 is about 9211.1508510066. The cubic root of 84845300 is about 439.4160642290.

The spelling of 84845300 in words is "eighty-four million, eight hundred forty-five thousand, three hundred".

Divisors: 1 2 4 5 10 17 20 25 29 34 50 58 68 85 100 116 145 170 290 340 425 493 580 725 850 986 1450 1700 1721 1972 2465 2900 3442 4930 6884 8605 9860 12325 17210 24650 29257 34420 43025 49300 49909 58514 86050 99818 117028 146285 172100 199636 249545 292570 499090 585140 731425 848453 998180 1247725 1462850 1696906 2495450 2925700 3393812 4242265 4990900 8484530 16969060 21211325 42422650 84845300