Base | Representation |
---|---|
bin | 1011110011001… |
… | …10010111010111 |
3 | 20220020222111002 |
4 | 11321212113113 |
5 | 200320013211 |
6 | 13453333515 |
7 | 2311235156 |
oct | 571462727 |
9 | 226228432 |
10 | 98985431 |
11 | 50969246 |
12 | 2919729b |
13 | 17679a7c |
14 | d20959d |
15 | 8a5403b |
hex | 5e665d7 |
98985431 has 8 divisors (see below), whose sum is σ = 102518784. Its totient is φ = 95511640.
The previous prime is 98985427. The next prime is 98985437. The reversal of 98985431 is 13458989.
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 98985431 - 22 = 98985427 is a prime.
It is a super-2 number, since 2×989854312 = 19596231100511522, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (47).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (98985437) 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, 11495 + ... + 18168.
It is an arithmetic number, because the mean of its divisors is an integer number (12814848).
Almost surely, 298985431 is an apocalyptic number.
98985431 is a deficient number, since it is larger than the sum of its proper divisors (3533353).
98985431 is a wasteful number, since it uses less digits than its factorization.
98985431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29781.
The product of its digits is 311040, while the sum is 47.
The square root of 98985431 is about 9949.1422243327. The cubic root of 98985431 is about 462.5838071649.
The spelling of 98985431 in words is "ninety-eight million, nine hundred eighty-five thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •