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98844749 = 175814397
BaseRepresentation
bin1011110010001…
…00000001001101
320212222211111122
411321010001031
5200301012444
613450330325
72310111053
oct571040115
9225884448
1098844749
1150882583
12291299a5
131762aa23
14d1b01d3
158a274ee
hex5e4404d

98844749 has 4 divisors (see below), whose sum is σ = 104659164. Its totient is φ = 93030336.

The previous prime is 98844743. The next prime is 98844763. The reversal of 98844749 is 94744889.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94744889 = 234119343.

It can be written as a sum of positive squares in 2 ways, for example, as 37332100 + 61512649 = 6110^2 + 7843^2 .

It is a cyclic number.

It is not a de Polignac number, because 98844749 - 224 = 82067533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98844749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98844743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2907182 + ... + 2907215.

It is an arithmetic number, because the mean of its divisors is an integer number (26164791).

Almost surely, 298844749 is an apocalyptic number.

It is an amenable number.

98844749 is a deficient number, since it is larger than the sum of its proper divisors (5814415).

98844749 is a wasteful number, since it uses less digits than its factorization.

98844749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5814414.

The product of its digits is 2322432, while the sum is 53.

The square root of 98844749 is about 9942.0696537492. The cubic root of 98844749 is about 462.3645558099.

The spelling of 98844749 in words is "ninety-eight million, eight hundred forty-four thousand, seven hundred forty-nine".

Divisors: 1 17 5814397 98844749