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89963860 = 225719311091
BaseRepresentation
bin1010101110010…
…11110101010100
320021021122012211
411113023311110
5141012320420
612532123204
72141452210
oct527136524
9207248184
1089963860
11468671a8
1226166504
131583b66c
14bd3b940
157d70e5a
hex55cbd54

89963860 has 96 divisors (see below), whose sum is σ = 234823680. Its totient is φ = 28252800.

The previous prime is 89963851. The next prime is 89963897. The reversal of 89963860 is 6836998.

It is a super-2 number, since 2×899638602 = 16186992212199200, which contains 22 as substring.

It is a congruent number.

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, 81915 + ... + 83005.

It is an arithmetic number, because the mean of its divisors is an integer number (2446080).

Almost surely, 289963860 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 89963860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117411840).

89963860 is an abundant number, since it is smaller than the sum of its proper divisors (144859820).

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

89963860 is a wasteful number, since it uses less digits than its factorization.

89963860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 89963860 is about 9484.9280440075. The cubic root of 89963860 is about 448.0804821925.

The spelling of 89963860 in words is "eighty-nine million, nine hundred sixty-three thousand, eight hundred sixty".

Divisors: 1 2 4 5 7 10 14 19 20 28 31 35 38 62 70 76 95 124 133 140 155 190 217 266 310 380 434 532 589 620 665 868 1085 1091 1178 1330 2170 2182 2356 2660 2945 4123 4340 4364 5455 5890 7637 8246 10910 11780 15274 16492 20615 20729 21820 30548 33821 38185 41230 41458 67642 76370 82460 82916 103645 135284 145103 152740 169105 207290 236747 290206 338210 414580 473494 580412 642599 676420 725515 946988 1183735 1285198 1451030 2367470 2570396 2902060 3212995 4498193 4734940 6425990 8996386 12851980 17992772 22490965 44981930 89963860