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89100816 = 2437243881
BaseRepresentation
bin1010100111110…
…01001000010000
320012122210100020
411103321020100
5140302211231
612501423440
72131226100
oct523711020
9205583306
1089100816
1146327842
1225a0ab80
13155c889c
14bb95200
157c50396
hex54f9210

89100816 has 120 divisors (see below), whose sum is σ = 274294944. Its totient is φ = 24837120.

The previous prime is 89100799. The next prime is 89100841. The reversal of 89100816 is 61800198.

It is a nialpdrome in base 14.

It is an unprimeable number.

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, 100696 + ... + 101576.

Almost surely, 289100816 is an apocalyptic number.

89100816 is a gapful number since it is divisible by the number (86) 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 89100816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137147472).

89100816 is an abundant number, since it is smaller than the sum of its proper divisors (185194128).

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

89100816 is a wasteful number, since it uses less digits than its factorization.

89100816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 89100816 is about 9439.3228570698. The cubic root of 89100816 is about 446.6430293672.

The spelling of 89100816 in words is "eighty-nine million, one hundred thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 43 48 49 56 84 86 98 112 129 147 168 172 196 258 294 301 336 344 392 516 588 602 688 784 881 903 1032 1176 1204 1762 1806 2064 2107 2352 2408 2643 3524 3612 4214 4816 5286 6167 6321 7048 7224 8428 10572 12334 12642 14096 14448 16856 18501 21144 24668 25284 33712 37002 37883 42288 43169 49336 50568 74004 75766 86338 98672 101136 113649 129507 148008 151532 172676 227298 259014 265181 296016 303064 345352 454596 518028 530362 606128 690704 795543 909192 1036056 1060724 1591086 1818384 1856267 2072112 2121448 3182172 3712534 4242896 5568801 6364344 7425068 11137602 12728688 14850136 22275204 29700272 44550408 89100816