Base | Representation |
---|---|
bin | 111010000010… |
… | …1100001000010 |
3 | 2010021001220010 |
4 | 1310011201002 |
5 | 30242300143 |
6 | 3004125350 |
7 | 516442662 |
oct | 164054102 |
9 | 63231803 |
10 | 30431298 |
11 | 161a5537 |
12 | a236856 |
13 | 63c63b1 |
14 | 40821a2 |
15 | 2a11a33 |
hex | 1d05842 |
30431298 has 8 divisors (see below), whose sum is σ = 60862608. Its totient is φ = 10143764.
The previous prime is 30431267. The next prime is 30431299. The reversal of 30431298 is 89213403.
It is a sphenic number, since it is the product of 3 distinct primes.
30431298 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (30431299) 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, 2535936 + ... + 2535947.
It is an arithmetic number, because the mean of its divisors is an integer number (7607826).
Almost surely, 230431298 is an apocalyptic number.
30431298 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30431298 is a wasteful number, since it uses less digits than its factorization.
30431298 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5071888.
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 30431298 is about 5516.4570151502. The cubic root of 30431298 is about 312.2052191945.
The spelling of 30431298 in words is "thirty million, four hundred thirty-one thousand, two hundred ninety-eight".
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