Base | Representation |
---|---|
bin | 111001101100… |
… | …1011100000110 |
3 | 2002220220020110 |
4 | 1303121130012 |
5 | 30221011013 |
6 | 3000213450 |
7 | 515061426 |
oct | 163313406 |
9 | 62826213 |
10 | 30250758 |
11 | 1609192a |
12 | a16a286 |
13 | 6362175 |
14 | 4036486 |
15 | 29c82c3 |
hex | 1cd9706 |
30250758 has 16 divisors (see below), whose sum is σ = 61909056. Its totient is φ = 9849000.
The previous prime is 30250747. The next prime is 30250777. The reversal of 30250758 is 85705203.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
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, 58368 + ... + 58883.
It is an arithmetic number, because the mean of its divisors is an integer number (3869316).
Almost surely, 230250758 is an apocalyptic number.
30250758 is an abundant number, since it is smaller than the sum of its proper divisors (31658298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30250758 is a wasteful number, since it uses less digits than its factorization.
30250758 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117299.
The product of its (nonzero) digits is 8400, while the sum is 30.
The square root of 30250758 is about 5500.0689086592. The cubic root of 30250758 is about 311.5865867385.
The spelling of 30250758 in words is "thirty million, two hundred fifty thousand, seven hundred fifty-eight".
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