Base | Representation |
---|---|
bin | 111001111000… |
… | …0011001000001 |
3 | 2010002200012100 |
4 | 1303300121001 |
5 | 30232013034 |
6 | 3002221013 |
7 | 515632500 |
oct | 163603101 |
9 | 63080170 |
10 | 30344769 |
11 | 16146524 |
12 | a1b4769 |
13 | 6395bb0 |
14 | 405c837 |
15 | 29e6099 |
hex | 1cf0641 |
30344769 has 72 divisors (see below), whose sum is σ = 56434560. Its totient is φ = 15567552.
The previous prime is 30344749. The next prime is 30344771. The reversal of 30344769 is 96744303.
It is not a de Polignac number, because 30344769 - 25 = 30344737 is a prime.
It is a super-2 number, since 2×303447692 = 1841610011326722, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30344749) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 384072 + ... + 384150.
Almost surely, 230344769 is an apocalyptic number.
30344769 is a gapful number since it is divisible by the number (39) formed by its first and last digit.
It is an amenable number.
30344769 is a deficient number, since it is larger than the sum of its proper divisors (26089791).
30344769 is a wasteful number, since it uses less digits than its factorization.
30344769 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 179 (or 169 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 36.
The square root of 30344769 is about 5508.6086265045. The cubic root of 30344769 is about 311.9090279644.
It can be divided in two parts, 30344 and 769, that added together give a palindrome (31113).
The spelling of 30344769 in words is "thirty million, three hundred forty-four thousand, seven hundred sixty-nine".
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