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89471700 = 223252891117
BaseRepresentation
bin1010101010100…
…11101011010100
320020100122002200
411111103223110
5140401043300
612513404500
72134332303
oct525235324
9206318080
1089471700
114656045a
1225b69730
13156c8646
14bc5043a
157cc5200
hex5553ad4

89471700 has 108 divisors (see below), whose sum is σ = 283849020. Its totient is φ = 23569920.

The previous prime is 89471693. The next prime is 89471713. The reversal of 89471700 is 717498.

It can be written as a sum of positive squares in 6 ways, for example, as 28068804 + 61402896 = 5298^2 + 7836^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 79542 + ... + 80658.

Almost surely, 289471700 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 89471700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141924510).

89471700 is an abundant number, since it is smaller than the sum of its proper divisors (194377320).

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

89471700 is a wasteful number, since it uses less digits than its factorization.

89471700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 89471700 is about 9458.9481444820. The cubic root of 89471700 is about 447.2618917841.

The spelling of 89471700 in words is "eighty-nine million, four hundred seventy-one thousand, seven hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 89 90 100 150 178 180 225 267 300 356 445 450 534 801 890 900 1068 1117 1335 1602 1780 2225 2234 2670 3204 3351 4005 4450 4468 5340 5585 6675 6702 8010 8900 10053 11170 13350 13404 16020 16755 20025 20106 22340 26700 27925 33510 40050 40212 50265 55850 67020 80100 83775 99413 100530 111700 167550 198826 201060 251325 298239 335100 397652 497065 502650 596478 894717 994130 1005300 1192956 1491195 1789434 1988260 2485325 2982390 3578868 4473585 4970650 5964780 7455975 8947170 9941300 14911950 17894340 22367925 29823900 44735850 89471700