Search a number
-
+
98941809 = 3227145289
BaseRepresentation
bin1011110010110…
…11101101110001
320220011202122110
411321123231301
5200312114214
613452355533
72310664041
oct571335561
9226152573
1098941809
115093949a
1229175ba9
1317662c65
14d1d7721
158a46159
hex5e5bb71

98941809 has 8 divisors (see below), whose sum is σ = 132504480. Its totient is φ = 65670176.

The previous prime is 98941793. The next prime is 98941813. The reversal of 98941809 is 90814989.

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 98941809 - 24 = 98941793 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98941859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71964 + ... + 73325.

It is an arithmetic number, because the mean of its divisors is an integer number (16563060).

Almost surely, 298941809 is an apocalyptic number.

It is an amenable number.

98941809 is a deficient number, since it is larger than the sum of its proper divisors (33562671).

98941809 is a wasteful number, since it uses less digits than its factorization.

98941809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145519.

The product of its (nonzero) digits is 186624, while the sum is 48.

The square root of 98941809 is about 9946.9497334610. The cubic root of 98941809 is about 462.5158449892.

The spelling of 98941809 in words is "ninety-eight million, nine hundred forty-one thousand, eight hundred nine".

Divisors: 1 3 227 681 145289 435867 32980603 98941809