Base | Representation |
---|---|
bin | 111010000111… |
… | …1100001101010 |
3 | 2010100011010122 |
4 | 1310033201222 |
5 | 30300103143 |
6 | 3005043242 |
7 | 520003343 |
oct | 164174152 |
9 | 63304118 |
10 | 30472298 |
11 | 1622331a |
12 | a256522 |
13 | 640bc5c |
14 | 40930ca |
15 | 2a1dc68 |
hex | 1d0f86a |
30472298 has 4 divisors (see below), whose sum is σ = 45708450. Its totient is φ = 15236148.
The previous prime is 30472289. The next prime is 30472319. The reversal of 30472298 is 89227403.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89227403 = 29 ⋅3076807.
It can be written as a sum of positive squares in only one way, i.e., 25836889 + 4635409 = 5083^2 + 2153^2 .
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 7618073 + ... + 7618076.
Almost surely, 230472298 is an apocalyptic number.
30472298 is a deficient number, since it is larger than the sum of its proper divisors (15236152).
30472298 is a wasteful number, since it uses less digits than its factorization.
30472298 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15236151.
The product of its (nonzero) digits is 24192, while the sum is 35.
The square root of 30472298 is about 5520.1719176127. The cubic root of 30472298 is about 312.3453673366.
The spelling of 30472298 in words is "thirty million, four hundred seventy-two thousand, two hundred ninety-eight".
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