Base | Representation |
---|---|
bin | 111010001111… |
… | …0001101101000 |
3 | 2010110012122201 |
4 | 1310132031220 |
5 | 30304014311 |
6 | 3010225544 |
7 | 520343623 |
oct | 164361550 |
9 | 63405581 |
10 | 30532456 |
11 | 16264539 |
12 | a2852b4 |
13 | 6430456 |
14 | 40aadba |
15 | 2a319c1 |
hex | 1d1e368 |
30532456 has 8 divisors (see below), whose sum is σ = 57248370. Its totient is φ = 15266224.
The previous prime is 30532409. The next prime is 30532457. The reversal of 30532456 is 65423503.
It can be written as a sum of positive squares in only one way, i.e., 17355556 + 13176900 = 4166^2 + 3630^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (30532457) 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 as a sum of consecutive naturals, namely, 1908271 + ... + 1908286.
Almost surely, 230532456 is an apocalyptic number.
It is an amenable number.
30532456 is a deficient number, since it is larger than the sum of its proper divisors (26715914).
30532456 is a wasteful number, since it uses less digits than its factorization.
30532456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3816563 (or 3816559 counting only the distinct ones).
The product of its (nonzero) digits is 10800, while the sum is 28.
The square root of 30532456 is about 5525.6181554646. The cubic root of 30532456 is about 312.5507748963.
Adding to 30532456 its reverse (65423503), we get a palindrome (95955959).
It can be divided in two parts, 305 and 32456, that added together give a square (32761 = 1812).
The spelling of 30532456 in words is "thirty million, five hundred thirty-two thousand, four hundred fifty-six".
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