Base | Representation |
---|---|
bin | 111010001111… |
… | …0001111000000 |
3 | 2010110012202222 |
4 | 1310132033000 |
5 | 30304020134 |
6 | 3010230212 |
7 | 520344110 |
oct | 164361700 |
9 | 63405688 |
10 | 30532544 |
11 | 16264609 |
12 | a285368 |
13 | 64304c3 |
14 | 40ab040 |
15 | 2a31a2e |
hex | 1d1e3c0 |
30532544 has 112 divisors (see below), whose sum is σ = 77541120. Its totient is φ = 11612160.
The previous prime is 30532519. The next prime is 30532573. The reversal of 30532544 is 44523503.
It is a tau number, because it is divible by the number of its divisors (112).
It is a super-3 number, since 3×305325443 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144599 + ... + 144809.
Almost surely, 230532544 is an apocalyptic number.
30532544 is a gapful number since it is divisible by the number (34) 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 30532544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38770560).
30532544 is an abundant number, since it is smaller than the sum of its proper divisors (47008576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30532544 is a wasteful number, since it uses less digits than its factorization.
30532544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 266 (or 256 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 26.
The square root of 30532544 is about 5525.6261183688. The cubic root of 30532544 is about 312.5510751718.
The spelling of 30532544 in words is "thirty million, five hundred thirty-two thousand, five hundred forty-four".
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