Base | Representation |
---|---|
bin | 111010001111… |
… | …0001111010000 |
3 | 2010110012210120 |
4 | 1310132033100 |
5 | 30304020220 |
6 | 3010230240 |
7 | 520344132 |
oct | 164361720 |
9 | 63405716 |
10 | 30532560 |
11 | 16264623 |
12 | a285380 |
13 | 6430506 |
14 | 40ab052 |
15 | 2a31a40 |
hex | 1d1e3d0 |
30532560 has 40 divisors (see below), whose sum is σ = 94651680. Its totient is φ = 8141952.
The previous prime is 30532519. The next prime is 30532573. The reversal of 30532560 is 6523503.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 30532560.
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, 63370 + ... + 63849.
It is an arithmetic number, because the mean of its divisors is an integer number (2366292).
Almost surely, 230532560 is an apocalyptic number.
30532560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30532560 is an abundant number, since it is smaller than the sum of its proper divisors (64119120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30532560 is a wasteful number, since it uses less digits than its factorization.
30532560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 127235 (or 127229 counting only the distinct ones).
The product of its (nonzero) digits is 2700, while the sum is 24.
The square root of 30532560 is about 5525.6275661684. The cubic root of 30532560 is about 312.5511297673.
The spelling of 30532560 in words is "thirty million, five hundred thirty-two thousand, five hundred sixty".
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