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89216490 = 23511535101
BaseRepresentation
bin1010101000101…
…01010111101010
320012212200000110
411110111113222
5140314411430
612504115150
72132220246
oct524252752
9205780013
1089216490
11463a6740
1225a65ab6
131563942c
14bbc5426
157c747b0
hex55155ea

89216490 has 64 divisors (see below), whose sum is σ = 238038912. Its totient is φ = 21216000.

The previous prime is 89216489. The next prime is 89216503. The reversal of 89216490 is 9461298.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14940 + ... + 20040.

It is an arithmetic number, because the mean of its divisors is an integer number (3719358).

Almost surely, 289216490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89216490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119019456).

89216490 is an abundant number, since it is smaller than the sum of its proper divisors (148822422).

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

89216490 is a wasteful number, since it uses less digits than its factorization.

89216490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 89216490 is about 9445.4481100687. The cubic root of 89216490 is about 446.8362286606.

The spelling of 89216490 in words is "eighty-nine million, two hundred sixteen thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 53 55 66 106 110 159 165 265 318 330 530 583 795 1166 1590 1749 2915 3498 5101 5830 8745 10202 15303 17490 25505 30606 51010 56111 76515 112222 153030 168333 270353 280555 336666 540706 561110 811059 841665 1351765 1622118 1683330 2703530 2973883 4055295 5947766 8110590 8921649 14869415 17843298 29738830 44608245 89216490