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89481024 = 263441421
BaseRepresentation
bin1010101010101…
…01111101000000
320020101002220000
411111111331000
5140401343044
612513520000
72134401423
oct525257500
9206332800
1089481024
1146567466
1225b73000
13156cc969
14bc539ba
157cc7d69
hex5555f40

89481024 has 140 divisors (see below), whose sum is σ = 272364708. Its totient is φ = 29030400.

The previous prime is 89481019. The next prime is 89481031. The reversal of 89481024 is 42018498.

It can be written as a sum of positive squares in 2 ways, for example, as 1871424 + 87609600 = 1368^2 + 9360^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 89481024.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 212334 + ... + 212754.

Almost surely, 289481024 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 89481024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136182354).

89481024 is an abundant number, since it is smaller than the sum of its proper divisors (182883684).

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

89481024 is a wasteful number, since it uses less digits than its factorization.

89481024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 89481024 is about 9459.4409982831. The cubic root of 89481024 is about 447.2774278885.

It can be divided in two parts, 894 and 81024, that added together give a palindrome (81918).

The spelling of 89481024 in words is "eighty-nine million, four hundred eighty-one thousand, twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 41 48 54 64 72 81 82 96 108 123 144 162 164 192 216 246 288 324 328 369 421 432 492 576 648 656 738 842 864 984 1107 1263 1296 1312 1476 1684 1728 1968 2214 2526 2592 2624 2952 3321 3368 3789 3936 4428 5052 5184 5904 6642 6736 7578 7872 8856 10104 11367 11808 13284 13472 15156 17261 17712 20208 22734 23616 26568 26944 30312 34101 34522 35424 40416 45468 51783 53136 60624 68202 69044 70848 80832 90936 103566 106272 121248 136404 138088 155349 181872 207132 212544 242496 272808 276176 310698 363744 414264 466047 545616 552352 621396 727488 828528 932094 1091232 1104704 1242792 1398141 1657056 1864188 2182464 2485584 2796282 3314112 3728376 4971168 5592564 7456752 9942336 11185128 14913504 22370256 29827008 44740512 89481024