Base | Representation |
---|---|
bin | 111010001001… |
… | …1011011100100 |
3 | 2010100222002000 |
4 | 1310103123210 |
5 | 30301111132 |
6 | 3005245300 |
7 | 520101102 |
oct | 164233344 |
9 | 63328060 |
10 | 30488292 |
11 | 1623433a |
12 | a263830 |
13 | 6416313 |
14 | 4098c72 |
15 | 2a2387c |
hex | 1d136e4 |
30488292 has 24 divisors (see below), whose sum is σ = 79044000. Its totient is φ = 10162728.
The previous prime is 30488287. The next prime is 30488321. The reversal of 30488292 is 29288403.
It is a Harshad number since it is a multiple of its sum of digits (36).
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, 141042 + ... + 141257.
It is an arithmetic number, because the mean of its divisors is an integer number (3293500).
Almost surely, 230488292 is an apocalyptic number.
It is an amenable number.
30488292 is an abundant number, since it is smaller than the sum of its proper divisors (48555708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30488292 is a wasteful number, since it uses less digits than its factorization.
30488292 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 282312 (or 282304 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 36.
The square root of 30488292 is about 5521.6204143349. The cubic root of 30488292 is about 312.4000046998.
The spelling of 30488292 in words is "thirty million, four hundred eighty-eight thousand, two hundred ninety-two".
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