Base | Representation |
---|---|
bin | 1011110010111… |
… | …01101011000110 |
3 | 20220012011122112 |
4 | 11321131223012 |
5 | 200312343310 |
6 | 13452501022 |
7 | 2311026320 |
oct | 571355306 |
9 | 226164575 |
10 | 98949830 |
11 | 50944521 |
12 | 2917a772 |
13 | 176667c5 |
14 | d1da610 |
15 | 8a48705 |
hex | 5e5dac6 |
98949830 has 32 divisors (see below), whose sum is σ = 210124800. Its totient is φ = 32830560.
The previous prime is 98949817. The next prime is 98949833. The reversal of 98949830 is 3894989.
It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (98949833) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20630 + ... + 24969.
It is an arithmetic number, because the mean of its divisors is an integer number (6566400).
Almost surely, 298949830 is an apocalyptic number.
98949830 is an abundant number, since it is smaller than the sum of its proper divisors (111174970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
98949830 is a wasteful number, since it uses less digits than its factorization.
98949830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45644.
The product of its (nonzero) digits is 559872, while the sum is 50.
The square root of 98949830 is about 9947.3529142179. The cubic root of 98949830 is about 462.5283430402.
The spelling of 98949830 in words is "ninety-eight million, nine hundred forty-nine thousand, eight hundred thirty".
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