Base | Representation |
---|---|
bin | 111010001100… |
… | …1100010011110 |
3 | 2010102020101121 |
4 | 1310121202132 |
5 | 30302411220 |
6 | 3010001154 |
7 | 520234042 |
oct | 164314236 |
9 | 63366347 |
10 | 30513310 |
11 | 16251113 |
12 | a2761ba |
13 | 6424819 |
14 | 40a4022 |
15 | 2a2aeaa |
hex | 1d1989e |
30513310 has 16 divisors (see below), whose sum is σ = 55011600. Its totient is φ = 12185856.
The previous prime is 30513289. The next prime is 30513311. The reversal of 30513310 is 1331503.
It is a super-2 number, since 2×305133102 = 1862124174312200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30513311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5326 + ... + 9454.
It is an arithmetic number, because the mean of its divisors is an integer number (3438225).
Almost surely, 230513310 is an apocalyptic number.
30513310 is a deficient number, since it is larger than the sum of its proper divisors (24498290).
30513310 is a wasteful number, since it uses less digits than its factorization.
30513310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4875.
The product of its (nonzero) digits is 135, while the sum is 16.
The square root of 30513310 is about 5523.8854079353. The cubic root of 30513310 is about 312.4854307874.
Adding to 30513310 its reverse (1331503), we get a palindrome (31844813).
The spelling of 30513310 in words is "thirty million, five hundred thirteen thousand, three hundred ten".
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