Base | Representation |
---|---|
bin | 111001111000… |
… | …0010101101010 |
3 | 2010002122220101 |
4 | 1303300111222 |
5 | 30232011204 |
6 | 3002220014 |
7 | 515632042 |
oct | 163602552 |
9 | 63078811 |
10 | 30344554 |
11 | 16146349 |
12 | a1b460a |
13 | 6395a76 |
14 | 405c722 |
15 | 29e5ea4 |
hex | 1cf056a |
30344554 has 4 divisors (see below), whose sum is σ = 45516834. Its totient is φ = 15172276.
The previous prime is 30344533. The next prime is 30344579. The reversal of 30344554 is 45544303.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45544303 = 7 ⋅6506329.
It can be written as a sum of positive squares in only one way, i.e., 21206025 + 9138529 = 4605^2 + 3023^2 .
It is a super-3 number, since 3×303445543 (a number of 23 digits) contains 333 as substring.
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, 7586137 + ... + 7586140.
Almost surely, 230344554 is an apocalyptic number.
30344554 is a deficient number, since it is larger than the sum of its proper divisors (15172280).
30344554 is a wasteful number, since it uses less digits than its factorization.
30344554 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15172279.
The product of its (nonzero) digits is 14400, while the sum is 28.
The square root of 30344554 is about 5508.5891115602. The cubic root of 30344554 is about 311.9082913125.
Adding to 30344554 its reverse (45544303), we get a palindrome (75888857).
The spelling of 30344554 in words is "thirty million, three hundred forty-four thousand, five hundred fifty-four".
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