Base | Representation |
---|---|
bin | 111001111100… |
… | …1110010010100 |
3 | 2010011121222122 |
4 | 1303321302110 |
5 | 30234231002 |
6 | 3003115112 |
7 | 516152624 |
oct | 163716224 |
9 | 63147878 |
10 | 30383252 |
11 | 16172429 |
12 | a212a98 |
13 | 63aa573 |
14 | 406c884 |
15 | 2a026a2 |
hex | 1cf9c94 |
30383252 has 6 divisors (see below), whose sum is σ = 53170698. Its totient is φ = 15191624.
The previous prime is 30383251. The next prime is 30383263. The reversal of 30383252 is 25238303.
It can be written as a sum of positive squares in only one way, i.e., 20921476 + 9461776 = 4574^2 + 3076^2 .
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30383251) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3797903 + ... + 3797910.
It is an arithmetic number, because the mean of its divisors is an integer number (8861783).
Almost surely, 230383252 is an apocalyptic number.
It is an amenable number.
30383252 is a deficient number, since it is larger than the sum of its proper divisors (22787446).
30383252 is a wasteful number, since it uses less digits than its factorization.
30383252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7595817 (or 7595815 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 26.
The square root of 30383252 is about 5512.1005070662. The cubic root of 30383252 is about 312.0408257994.
The spelling of 30383252 in words is "thirty million, three hundred eighty-three thousand, two hundred fifty-two".
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