Base | Representation |
---|---|
bin | 111010010000… |
… | …1101000000000 |
3 | 2010110220211100 |
4 | 1310201220000 |
5 | 30304441212 |
6 | 3010414400 |
7 | 520432440 |
oct | 164415000 |
9 | 63426740 |
10 | 30546432 |
11 | 16273a94 |
12 | a291400 |
13 | 6436917 |
14 | 40b2120 |
15 | 2a35bdc |
hex | 1d21a00 |
30546432 has 120 divisors (see below), whose sum is σ = 100859616. Its totient is φ = 8718336.
The previous prime is 30546431. The next prime is 30546457. The reversal of 30546432 is 23464503.
It is a junction number, because it is equal to n+sod(n) for n = 30546396 and 30546405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30546431) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31783 + ... + 32729.
Almost surely, 230546432 is an apocalyptic number.
30546432 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 30546432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50429808).
30546432 is an abundant number, since it is smaller than the sum of its proper divisors (70313184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30546432 is an equidigital number, since it uses as much as digits as its factorization.
30546432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 978 (or 959 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 27.
The square root of 30546432 is about 5526.8826656624. The cubic root of 30546432 is about 312.5984568701.
The spelling of 30546432 in words is "thirty million, five hundred forty-six thousand, four hundred thirty-two".
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