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98684357 = 538920921
BaseRepresentation
bin1011110000111…
…00110111000101
320212200200111012
411320130313011
5200230344412
613443052005
72305542332
oct570346705
9225620435
1098684357
1150783022
1229071005
13175a2a15
14d16b989
1589e4c22
hex5e1cdc5

98684357 has 8 divisors (see below), whose sum is σ = 101680920. Its totient is φ = 95729920.

The previous prime is 98684317. The next prime is 98684359. The reversal of 98684357 is 75348689.

It is a Cunningham number, because it is equal to 99342+1.

It can be written as a sum of positive squares in 4 ways, for example, as 18957316 + 79727041 = 4354^2 + 8929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98684357 - 26 = 98684293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98684359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5744 + ... + 15177.

It is an arithmetic number, because the mean of its divisors is an integer number (12710115).

Almost surely, 298684357 is an apocalyptic number.

It is an amenable number.

98684357 is a deficient number, since it is larger than the sum of its proper divisors (2996563).

98684357 is a wasteful number, since it uses less digits than its factorization.

98684357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21063.

The product of its digits is 1451520, while the sum is 50.

The square root of 98684357 is about 9934.0000503322. Note that the first 4 decimals coincide. The cubic root of 98684357 is about 462.1143326911.

The spelling of 98684357 in words is "ninety-eight million, six hundred eighty-four thousand, three hundred fifty-seven".

Divisors: 1 53 89 4717 20921 1108813 1861969 98684357