Base | Representation |
---|---|
bin | 111010000010… |
… | …1111110101110 |
3 | 2010021011111111 |
4 | 1310011332232 |
5 | 30242330243 |
6 | 3004142234 |
7 | 516451345 |
oct | 164057656 |
9 | 63234444 |
10 | 30433198 |
11 | 161a6a04 |
12 | a23797a |
13 | 63c7213 |
14 | 4082b5c |
15 | 2a1239d |
hex | 1d05fae |
30433198 has 8 divisors (see below), whose sum is σ = 45688320. Its totient is φ = 15203760.
The previous prime is 30433187. The next prime is 30433199. The reversal of 30433198 is 89133403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30433199) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3118 + ... + 8401.
It is an arithmetic number, because the mean of its divisors is an integer number (5711040).
Almost surely, 230433198 is an apocalyptic number.
30433198 is a deficient number, since it is larger than the sum of its proper divisors (15255122).
30433198 is a wasteful number, since it uses less digits than its factorization.
30433198 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12842.
The product of its (nonzero) digits is 7776, while the sum is 31.
The square root of 30433198 is about 5516.6292244449. The cubic root of 30433198 is about 312.2117166451.
It can be divided in two parts, 3043 and 3198, that added together give a square (6241 = 792).
The spelling of 30433198 in words is "thirty million, four hundred thirty-three thousand, one hundred ninety-eight".
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