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89247648 = 2537592251
BaseRepresentation
bin1010101000111…
…00111110100000
320012221020202110
411110130332200
5140321411043
612504515320
72132410140
oct524347640
9205836673
1089247648
1146418096
1225a7bb40
131564a679
14bbd2920
157c7db33
hex551cfa0

89247648 has 96 divisors (see below), whose sum is σ = 272401920. Its totient is φ = 25056000.

The previous prime is 89247629. The next prime is 89247649. The reversal of 89247648 is 84674298.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 89247597 and 89247606.

It is not an unprimeable number, because it can be changed into a prime (89247649) 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 15 ways as a sum of consecutive naturals, for example, 38523 + ... + 40773.

It is an arithmetic number, because the mean of its divisors is an integer number (2837520).

Almost surely, 289247648 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 89247648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136200960).

89247648 is an abundant number, since it is smaller than the sum of its proper divisors (183154272).

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

89247648 is a wasteful number, since it uses less digits than its factorization.

89247648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330 (or 2322 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 89247648 is about 9447.0973319851. The cubic root of 89247648 is about 446.8882403562. Note that the first 3 decimals are identical.

The spelling of 89247648 in words is "eighty-nine million, two hundred forty-seven thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 59 84 96 112 118 168 177 224 236 336 354 413 472 672 708 826 944 1239 1416 1652 1888 2251 2478 2832 3304 4502 4956 5664 6608 6753 9004 9912 13216 13506 15757 18008 19824 27012 31514 36016 39648 47271 54024 63028 72032 94542 108048 126056 132809 189084 216096 252112 265618 378168 398427 504224 531236 756336 796854 929663 1062472 1512672 1593708 1859326 2124944 2788989 3187416 3718652 4249888 5577978 6374832 7437304 11155956 12749664 14874608 22311912 29749216 44623824 89247648