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89289330 = 23513283809
BaseRepresentation
bin1010101001001…
…11001001110010
320020000100221020
411110213021302
5140324224310
612505440310
72132642514
oct524471162
9206010836
1089289330
1146446439
1225aa0096
1315663630
14bc03bb4
157c8b170
hex5527272

89289330 has 64 divisors (see below), whose sum is σ = 231880320. Its totient is φ = 21874176.

The previous prime is 89289329. The next prime is 89289337. The reversal of 89289330 is 3398298.

It is not an unprimeable number, because it can be changed into a prime (89289337) 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 31 ways as a sum of consecutive naturals, for example, 109966 + ... + 110774.

It is an arithmetic number, because the mean of its divisors is an integer number (3623130).

Almost surely, 289289330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89289330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115940160).

89289330 is an abundant number, since it is smaller than the sum of its proper divisors (142590990).

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

89289330 is a wasteful number, since it uses less digits than its factorization.

89289330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 89289330 is about 9449.3031489100. The cubic root of 89289330 is about 446.9578007198.

The spelling of 89289330 in words is "eighty-nine million, two hundred eighty-nine thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 283 390 566 809 849 1415 1618 1698 2427 2830 3679 4045 4245 4854 7358 8090 8490 10517 11037 12135 18395 21034 22074 24270 31551 36790 52585 55185 63102 105170 110370 157755 228947 315510 457894 686841 1144735 1373682 2289470 2976311 3434205 5952622 6868410 8928933 14881555 17857866 29763110 44644665 89289330