Base | Representation |
---|---|
bin | 111001011111… |
… | …0011010010110 |
3 | 2002201021101022 |
4 | 1302332122112 |
5 | 30203440204 |
6 | 2554001142 |
7 | 514120610 |
oct | 162763226 |
9 | 62637338 |
10 | 30140054 |
11 | 1601673a |
12 | a1161b2 |
13 | 6323969 |
14 | 4007db0 |
15 | 29a55be |
hex | 1cbe696 |
30140054 has 8 divisors (see below), whose sum is σ = 51668688. Its totient is φ = 12917160.
The previous prime is 30140041. The next prime is 30140057. The reversal of 30140054 is 45004103.
30140054 = 11882 + 11892 + ... + 12082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30140057) 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, 1076417 + ... + 1076444.
It is an arithmetic number, because the mean of its divisors is an integer number (6458586).
Almost surely, 230140054 is an apocalyptic number.
30140054 is a deficient number, since it is larger than the sum of its proper divisors (21528634).
30140054 is a wasteful number, since it uses less digits than its factorization.
30140054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2152870.
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 30140054 is about 5489.9958105631. The cubic root of 30140054 is about 311.2060337999.
Adding to 30140054 its reverse (45004103), we get a palindrome (75144157).
The spelling of 30140054 in words is "thirty million, one hundred forty thousand, fifty-four".
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