Base | Representation |
---|---|
bin | 111010001011… |
… | …1011110000000 |
3 | 2010101210202121 |
4 | 1310113132000 |
5 | 30302123312 |
6 | 3005454024 |
7 | 520200241 |
oct | 164273600 |
9 | 63353677 |
10 | 30504832 |
11 | 16245806 |
12 | a271314 |
13 | 64209c7 |
14 | 40a0cc8 |
15 | 2a28707 |
hex | 1d17780 |
30504832 has 32 divisors (see below), whose sum is σ = 61695720. Its totient is φ = 15020544.
The previous prime is 30504827. The next prime is 30504841. The reversal of 30504832 is 23840503.
It is a tau number, because it is divible by the number of its divisors (32).
It is a junction number, because it is equal to n+sod(n) for n = 30504797 and 30504806.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6798 + ... + 10354.
Almost surely, 230504832 is an apocalyptic number.
30504832 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30504832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30847860).
30504832 is an abundant number, since it is smaller than the sum of its proper divisors (31190888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30504832 is an equidigital number, since it uses as much as digits as its factorization.
30504832 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3638 (or 3626 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 30504832 is about 5523.1179599933. The cubic root of 30504832 is about 312.4564871682.
The spelling of 30504832 in words is "thirty million, five hundred four thousand, eight hundred thirty-two".
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