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89490060 = 223251145197
BaseRepresentation
bin1010101010110…
…00001010001100
320020101120021200
411111120022030
5140402140220
612514025500
72134436652
oct525301214
9206346250
1089490060
1146573230
1225b78290
1315703aca
14bc56dd2
157cca890
hex555828c

89490060 has 72 divisors (see below), whose sum is σ = 296137296. Its totient is φ = 21694080.

The previous prime is 89490053. The next prime is 89490061. The reversal of 89490060 is 6009498.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 89489997 and 89490024.

It is not an unprimeable number, because it can be changed into a prime (89490061) 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 23 ways as a sum of consecutive naturals, for example, 20619 + ... + 24578.

It is an arithmetic number, because the mean of its divisors is an integer number (4113018).

Almost surely, 289490060 is an apocalyptic number.

It is an amenable number.

89490060 is an abundant number, since it is smaller than the sum of its proper divisors (206647236).

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

89490060 is a wasteful number, since it uses less digits than its factorization.

89490060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45223 (or 45218 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 89490060 is about 9459.9186043010. The cubic root of 89490060 is about 447.2924830835.

The spelling of 89490060 in words is "eighty-nine million, four hundred ninety thousand, sixty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1980 45197 90394 135591 180788 225985 271182 406773 451970 497167 542364 677955 813546 903940 994334 1355910 1491501 1627092 1988668 2033865 2485835 2711820 2983002 4067730 4474503 4971670 5966004 7457505 8135460 8949006 9943340 14915010 17898012 22372515 29830020 44745030 89490060