Base | Representation |
---|---|
bin | 111010101010… |
… | …0100011011111 |
3 | 2010212111222112 |
4 | 1311110203133 |
5 | 30333130124 |
6 | 3015104235 |
7 | 522261560 |
oct | 165244337 |
9 | 63774875 |
10 | 30755039 |
11 | 163a6797 |
12 | a37207b |
13 | 64aa863 |
14 | 4128167 |
15 | 2a7790e |
hex | 1d548df |
30755039 has 8 divisors (see below), whose sum is σ = 35281440. Its totient is φ = 26261856.
The previous prime is 30755027. The next prime is 30755047. The reversal of 30755039 is 93055703.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30755039 - 28 = 30754783 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30754996 and 30755014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30755009) 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, 6284 + ... + 10049.
It is an arithmetic number, because the mean of its divisors is an integer number (4410180).
Almost surely, 230755039 is an apocalyptic number.
30755039 is a deficient number, since it is larger than the sum of its proper divisors (4526401).
30755039 is a wasteful number, since it uses less digits than its factorization.
30755039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16609.
The product of its (nonzero) digits is 14175, while the sum is 32.
The square root of 30755039 is about 5545.7225859215. The cubic root of 30755039 is about 313.3084398764.
The spelling of 30755039 in words is "thirty million, seven hundred fifty-five thousand, thirty-nine".
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