Base | Representation |
---|---|
bin | 111001011111… |
… | …1011110101101 |
3 | 2002201111101100 |
4 | 1302333132231 |
5 | 30204110204 |
6 | 2554033313 |
7 | 514136430 |
oct | 162773655 |
9 | 62644340 |
10 | 30144429 |
11 | 16019a57 |
12 | a118839 |
13 | 6325953 |
14 | 4009817 |
15 | 29a6a39 |
hex | 1cbf7ad |
30144429 has 12 divisors (see below), whose sum is σ = 49762336. Its totient is φ = 17225352.
The previous prime is 30144407. The next prime is 30144449. The reversal of 30144429 is 92444103.
It is not a de Polignac number, because 30144429 - 28 = 30144173 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30144449) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239179 + ... + 239304.
Almost surely, 230144429 is an apocalyptic number.
It is an amenable number.
30144429 is a deficient number, since it is larger than the sum of its proper divisors (19617907).
30144429 is a wasteful number, since it uses less digits than its factorization.
30144429 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 478496 (or 478493 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 30144429 is about 5490.3942481392. The cubic root of 30144429 is about 311.2210908457.
The spelling of 30144429 in words is "thirty million, one hundred forty-four thousand, four hundred twenty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •