Base | Representation |
---|---|
bin | 111010010010… |
… | …1010000010110 |
3 | 2010111200020002 |
4 | 1310211100112 |
5 | 30310430202 |
6 | 3011011302 |
7 | 520524002 |
oct | 164452026 |
9 | 63450202 |
10 | 30561302 |
11 | 16284182 |
12 | a299b32 |
13 | 6440615 |
14 | 40b7702 |
15 | 2a3a302 |
hex | 1d25416 |
30561302 has 16 divisors (see below), whose sum is σ = 47852640. Its totient is φ = 14620032.
The previous prime is 30561301. The next prime is 30561341. The reversal of 30561302 is 20316503.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30561301) 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 7 ways as a sum of consecutive naturals, for example, 4223 + ... + 8885.
It is an arithmetic number, because the mean of its divisors is an integer number (2990790).
Almost surely, 230561302 is an apocalyptic number.
30561302 is a deficient number, since it is larger than the sum of its proper divisors (17291338).
30561302 is a wasteful number, since it uses less digits than its factorization.
30561302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4807.
The product of its (nonzero) digits is 540, while the sum is 20.
The square root of 30561302 is about 5528.2277449468. The cubic root of 30561302 is about 312.6491729405.
Adding to 30561302 its reverse (20316503), we get a palindrome (50877805).
The spelling of 30561302 in words is "thirty million, five hundred sixty-one thousand, three hundred two".
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