Base | Representation |
---|---|
bin | 111001001111… |
… | …1010101010010 |
3 | 2002110210202111 |
4 | 1302133111102 |
5 | 30140402004 |
6 | 2551135534 |
7 | 513050512 |
oct | 162372522 |
9 | 62423674 |
10 | 30012754 |
11 | 15a3a032 |
12 | a0745aa |
13 | 62aaa35 |
14 | 3db3842 |
15 | 297ca04 |
hex | 1c9f552 |
30012754 has 4 divisors (see below), whose sum is σ = 45019134. Its totient is φ = 15006376.
The previous prime is 30012737. The next prime is 30012757. The reversal of 30012754 is 45721003.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45721003 = 2683 ⋅17041.
It can be written as a sum of positive squares in only one way, i.e., 17867529 + 12145225 = 4227^2 + 3485^2 .
It is not an unprimeable number, because it can be changed into a prime (30012757) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7503187 + ... + 7503190.
Almost surely, 230012754 is an apocalyptic number.
30012754 is a deficient number, since it is larger than the sum of its proper divisors (15006380).
30012754 is a wasteful number, since it uses less digits than its factorization.
30012754 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15006379.
The product of its (nonzero) digits is 840, while the sum is 22.
The square root of 30012754 is about 5478.3897269179. The cubic root of 30012754 is about 310.7672772940.
Adding to 30012754 its reverse (45721003), we get a palindrome (75733757).
The spelling of 30012754 in words is "thirty million, twelve thousand, seven hundred fifty-four".
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