Search a number
-
+
89668000 = 255329773
BaseRepresentation
bin1010101100000…
…11100110100000
320020201121101001
411112003212200
5140423334000
612521521344
72136110512
oct526034640
9206647331
1089668000
1146684994
1226043254
1315766ab6
14bca1bb2
157d1346a
hex55839a0

89668000 has 96 divisors (see below), whose sum is σ = 228206160. Its totient is φ = 34585600.

The previous prime is 89667937. The next prime is 89668003. The reversal of 89668000 is 86698.

It can be written as a sum of positive squares in 8 ways, for example, as 478864 + 89189136 = 692^2 + 9444^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89668003) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 115614 + ... + 116386.

Almost surely, 289668000 is an apocalyptic number.

89668000 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 89668000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114103080).

89668000 is an abundant number, since it is smaller than the sum of its proper divisors (138538160).

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

89668000 is a wasteful number, since it uses less digits than its factorization.

89668000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 809 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 89668000 is about 9469.3188773005. The cubic root of 89668000 is about 447.5887488743.

The spelling of 89668000 in words is "eighty-nine million, six hundred sixty-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 29 32 40 50 58 80 100 116 125 145 160 200 232 250 290 400 464 500 580 725 773 800 928 1000 1160 1450 1546 2000 2320 2900 3092 3625 3865 4000 4640 5800 6184 7250 7730 11600 12368 14500 15460 19325 22417 23200 24736 29000 30920 38650 44834 58000 61840 77300 89668 96625 112085 116000 123680 154600 179336 193250 224170 309200 358672 386500 448340 560425 618400 717344 773000 896680 1120850 1546000 1793360 2241700 2802125 3092000 3586720 4483400 5604250 8966800 11208500 17933600 22417000 44834000 89668000