Base | Representation |
---|---|
bin | 111010000110… |
… | …0011110010101 |
3 | 2010022111222122 |
4 | 1310030132111 |
5 | 30244203142 |
6 | 3004505325 |
7 | 516622034 |
oct | 164143625 |
9 | 63274878 |
10 | 30459797 |
11 | 16214995 |
12 | a24b245 |
13 | 6406364 |
14 | 408c71b |
15 | 2a1a1d2 |
hex | 1d0c795 |
30459797 has 8 divisors (see below), whose sum is σ = 32083776. Its totient is φ = 28860832.
The previous prime is 30459757. The next prime is 30459799. The reversal of 30459797 is 79795403.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30459797 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 (30459799) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3728 + ... + 8649.
It is an arithmetic number, because the mean of its divisors is an integer number (4010472).
Almost surely, 230459797 is an apocalyptic number.
It is an amenable number.
30459797 is a deficient number, since it is larger than the sum of its proper divisors (1623979).
30459797 is a wasteful number, since it uses less digits than its factorization.
30459797 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12507.
The product of its (nonzero) digits is 238140, while the sum is 44.
The square root of 30459797 is about 5519.0394997681. The cubic root of 30459797 is about 312.3026491547.
The spelling of 30459797 in words is "thirty million, four hundred fifty-nine thousand, seven hundred ninety-seven".
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