Base | Representation |
---|---|
bin | 111001001110… |
… | …0100001100110 |
3 | 2002110012222120 |
4 | 1302130201212 |
5 | 30140020004 |
6 | 2551010410 |
7 | 513002133 |
oct | 162344146 |
9 | 62405876 |
10 | 30001254 |
11 | 15a31428 |
12 | a069a06 |
13 | 62a572a |
14 | 3dad58a |
15 | 29793d9 |
hex | 1c9c866 |
30001254 has 16 divisors (see below), whose sum is σ = 62071920. Its totient is φ = 9655520.
The previous prime is 30001253. The next prime is 30001267. The reversal of 30001254 is 45210003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30001253) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86037 + ... + 86384.
It is an arithmetic number, because the mean of its divisors is an integer number (3879495).
Almost surely, 230001254 is an apocalyptic number.
30001254 is an abundant number, since it is smaller than the sum of its proper divisors (32070666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30001254 is a wasteful number, since it uses less digits than its factorization.
30001254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 172455.
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 30001254 is about 5477.3400478700. The cubic root of 30001254 is about 310.7275799457.
Adding to 30001254 its reverse (45210003), we get a palindrome (75211257).
The spelling of 30001254 in words is "thirty million, one thousand, two hundred fifty-four".
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