Base | Representation |
---|---|
bin | 111010110000… |
… | …1011111110100 |
3 | 2010222012200222 |
4 | 1311201133310 |
5 | 30341324202 |
6 | 3020153512 |
7 | 522602252 |
oct | 165413764 |
9 | 63865628 |
10 | 30808052 |
11 | 16432600 |
12 | a398898 |
13 | 64c8a22 |
14 | 413d5d2 |
15 | 2a884a2 |
hex | 1d617f4 |
30808052 has 36 divisors (see below), whose sum is σ = 60429348. Its totient is φ = 13728000.
The previous prime is 30808049. The next prime is 30808091. The reversal of 30808052 is 25080803.
It can be written as a sum of positive squares in 2 ways, for example, as 7806436 + 23001616 = 2794^2 + 4796^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25052 + ... + 26252.
It is an arithmetic number, because the mean of its divisors is an integer number (1678593).
Almost surely, 230808052 is an apocalyptic number.
It is an amenable number.
30808052 is a deficient number, since it is larger than the sum of its proper divisors (29621296).
30808052 is a wasteful number, since it uses less digits than its factorization.
30808052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1280 (or 1267 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 26.
The square root of 30808052 is about 5550.5001576435. The cubic root of 30808052 is about 313.4883549588.
Adding to 30808052 its reverse (25080803), we get a palindrome (55888855).
The spelling of 30808052 in words is "thirty million, eight hundred eight thousand, fifty-two".
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