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99470 = 257329
BaseRepresentation
bin11000010010001110
312001110002
4120102032
511140340
62044302
7563000
oct302216
9161402
1099470
1168808
1249692
1336377
1428370
151e715
hex1848e

99470 has 32 divisors (see below), whose sum is σ = 216000. Its totient is φ = 32928.

The previous prime is 99469. The next prime is 99487. The reversal of 99470 is 7499.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 99470.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3416 + ... + 3444.

It is an arithmetic number, because the mean of its divisors is an integer number (6750).

299470 is an apocalyptic number.

99470 is an abundant number, since it is smaller than the sum of its proper divisors (116530).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108000).

99470 is a wasteful number, since it uses less digits than its factorization.

99470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 99470 is about 315.3886491299. The cubic root of 99470 is about 46.3337416362. Note that the first 3 decimals are identical.

Adding to 99470 its sum of digits (29), we get a palindrome (99499).

The spelling of 99470 in words is "ninety-nine thousand, four hundred seventy".

Divisors: 1 2 5 7 10 14 29 35 49 58 70 98 145 203 245 290 343 406 490 686 1015 1421 1715 2030 2842 3430 7105 9947 14210 19894 49735 99470