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85300400 = 24521071993
BaseRepresentation
bin1010001010110…
…01010010110000
312221111201011002
411011121102300
5133314103100
612244141132
72054020133
oct505312260
9187451132
1085300400
11441714a9
12246977a8
1314897b13
14b48621a
15774e2d5
hex51594b0

85300400 has 60 divisors (see below), whose sum is σ = 206953272. Its totient is φ = 33784320.

The previous prime is 85300363. The next prime is 85300451. The reversal of 85300400 is 400358.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 11 ways as a sum of consecutive naturals, for example, 41804 + ... + 43796.

Almost surely, 285300400 is an apocalyptic number.

85300400 is a gapful number since it is divisible by the number (80) 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 85300400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103476636).

85300400 is an abundant number, since it is smaller than the sum of its proper divisors (121652872).

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

85300400 is a wasteful number, since it uses less digits than its factorization.

85300400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118 (or 2107 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 85300400 is about 9235.8215660546. The cubic root of 85300400 is about 440.2003220072.

Adding to 85300400 its reverse (400358), we get a palindrome (85700758).

The spelling of 85300400 in words is "eighty-five million, three hundred thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 107 200 214 400 428 535 856 1070 1712 1993 2140 2675 3986 4280 5350 7972 8560 9965 10700 15944 19930 21400 31888 39860 42800 49825 79720 99650 159440 199300 213251 398600 426502 797200 853004 1066255 1706008 2132510 3412016 4265020 5331275 8530040 10662550 17060080 21325100 42650200 85300400