Base | Representation |
---|---|
bin | 1011110011100… |
… | …01101110001101 |
3 | 20220100100021222 |
4 | 11321301232031 |
5 | 200323010244 |
6 | 13454333125 |
7 | 2311520612 |
oct | 571615615 |
9 | 226310258 |
10 | 99031949 |
11 | 509a0195 |
12 | 291ba1a5 |
13 | 17694cb3 |
14 | d21c509 |
15 | 8a62bee |
hex | 5e71b8d |
99031949 has 8 divisors (see below), whose sum is σ = 102584832. Its totient is φ = 95501520.
The previous prime is 99031921. The next prime is 99031969. The reversal of 99031949 is 94913099.
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 99031949 - 28 = 99031693 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (99031969) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3632 + ... + 14534.
It is an arithmetic number, because the mean of its divisors is an integer number (12823104).
Almost surely, 299031949 is an apocalyptic number.
It is an amenable number.
99031949 is a deficient number, since it is larger than the sum of its proper divisors (3552883).
99031949 is a wasteful number, since it uses less digits than its factorization.
99031949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11227.
The product of its (nonzero) digits is 78732, while the sum is 44.
The square root of 99031949 is about 9951.4797392147. The cubic root of 99031949 is about 462.6562592532.
The spelling of 99031949 in words is "ninety-nine million, thirty-one thousand, nine hundred forty-nine".
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