Base | Representation |
---|---|
bin | 1011101111010… |
… | …00110111111101 |
3 | 20212021212101200 |
4 | 11313220313331 |
5 | 200202041141 |
6 | 13434330113 |
7 | 2303664456 |
oct | 567506775 |
9 | 225255350 |
10 | 98471421 |
11 | 50648044 |
12 | 28b89939 |
13 | 17529b19 |
14 | d11412d |
15 | 89a1ab6 |
hex | 5de8dfd |
98471421 has 12 divisors (see below), whose sum is σ = 143024700. Its totient is φ = 65283840.
The previous prime is 98471377. The next prime is 98471431. The reversal of 98471421 is 12417489.
It can be written as a sum of positive squares in 2 ways, for example, as 4575321 + 93896100 = 2139^2 + 9690^2 .
It is not a de Polignac number, because 98471421 - 29 = 98470909 is a prime.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (98471431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28596 + ... + 31853.
It is an arithmetic number, because the mean of its divisors is an integer number (11918725).
Almost surely, 298471421 is an apocalyptic number.
It is an amenable number.
98471421 is a deficient number, since it is larger than the sum of its proper divisors (44553279).
98471421 is a wasteful number, since it uses less digits than its factorization.
98471421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60636 (or 60633 counting only the distinct ones).
The product of its digits is 16128, while the sum is 36.
The square root of 98471421 is about 9923.2767269688. The cubic root of 98471421 is about 461.7817178769.
The spelling of 98471421 in words is "ninety-eight million, four hundred seventy-one thousand, four hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •