Base | Representation |
---|---|
bin | 111010000101… |
… | …1010100111010 |
3 | 2010022021112121 |
4 | 1310023110322 |
5 | 30244030343 |
6 | 3004431454 |
7 | 516602242 |
oct | 164132472 |
9 | 63267477 |
10 | 30455098 |
11 | 16211403 |
12 | a24858a |
13 | 640418b |
14 | 408ab22 |
15 | 2a18aed |
hex | 1d0b53a |
30455098 has 4 divisors (see below), whose sum is σ = 45682650. Its totient is φ = 15227548.
The previous prime is 30455071. The next prime is 30455099. The reversal of 30455098 is 89055403.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89055403 = 41 ⋅2172083.
It can be written as a sum of positive squares in only one way, i.e., 29888089 + 567009 = 5467^2 + 753^2 .
It is not an unprimeable number, because it can be changed into a prime (30455099) 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 as a sum of consecutive naturals, namely, 7613773 + ... + 7613776.
Almost surely, 230455098 is an apocalyptic number.
30455098 is a deficient number, since it is larger than the sum of its proper divisors (15227552).
30455098 is a wasteful number, since it uses less digits than its factorization.
30455098 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15227551.
The product of its (nonzero) digits is 21600, while the sum is 34.
The square root of 30455098 is about 5518.6137752157. The cubic root of 30455098 is about 312.2865887980.
The spelling of 30455098 in words is "thirty million, four hundred fifty-five thousand, ninety-eight".
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