Base | Representation |
---|---|
bin | 111010001110… |
… | …0110101101110 |
3 | 2010102220221100 |
4 | 1310130311232 |
5 | 30303324310 |
6 | 3010143530 |
7 | 520321335 |
oct | 164346556 |
9 | 63386840 |
10 | 30526830 |
11 | 16260294 |
12 | a281ba6 |
13 | 642aa19 |
14 | 40a8d1c |
15 | 2a2eec0 |
hex | 1d1cd6e |
30526830 has 24 divisors (see below), whose sum is σ = 79369992. Its totient is φ = 8140464.
The previous prime is 30526823. The next prime is 30526841. The reversal of 30526830 is 3862503.
It is a junction number, because it is equal to n+sod(n) for n = 30526794 and 30526803.
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, 169504 + ... + 169683.
It is an arithmetic number, because the mean of its divisors is an integer number (3307083).
Almost surely, 230526830 is an apocalyptic number.
30526830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30526830 is an abundant number, since it is smaller than the sum of its proper divisors (48843162).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30526830 is a wasteful number, since it uses less digits than its factorization.
30526830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 339200 (or 339197 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The square root of 30526830 is about 5525.1090486976. The cubic root of 30526830 is about 312.5315765426.
The spelling of 30526830 in words is "thirty million, five hundred twenty-six thousand, eight hundred thirty".
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