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89449648 = 2417476997
BaseRepresentation
bin1010101010011…
…10010010110000
320020022111211221
411111032102300
5140344342043
612513114424
72134211101
oct525162260
9206274757
1089449648
1146545932
1225b58a14
13156bb5b2
14bc463a8
157cbd8ed
hex554e4b0

89449648 has 40 divisors (see below), whose sum is σ = 187434432. Its totient is φ = 41192448.

The previous prime is 89449643. The next prime is 89449649. The reversal of 89449648 is 84694498.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 89449595 and 89449604.

It is not an unprimeable number, because it can be changed into a prime (89449643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9286 + ... + 16282.

Almost surely, 289449648 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 89449648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93717216).

89449648 is an abundant number, since it is smaller than the sum of its proper divisors (97984784).

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

89449648 is a wasteful number, since it uses less digits than its factorization.

89449648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7069 (or 7063 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 52.

The square root of 89449648 is about 9457.7824039254. The cubic root of 89449648 is about 447.2251433684.

The spelling of 89449648 in words is "eighty-nine million, four hundred forty-nine thousand, six hundred forty-eight".

Divisors: 1 2 4 8 16 17 34 47 68 94 136 188 272 376 752 799 1598 3196 6392 6997 12784 13994 27988 55976 111952 118949 237898 328859 475796 657718 951592 1315436 1903184 2630872 5261744 5590603 11181206 22362412 44724824 89449648