Base | Representation |
---|---|
bin | 111010011001… |
… | …0110100010000 |
3 | 2010121111102100 |
4 | 1310302310100 |
5 | 30314214343 |
6 | 3012120400 |
7 | 521144643 |
oct | 164626420 |
9 | 63544370 |
10 | 30616848 |
11 | 16311989 |
12 | a306100 |
13 | 645c9a2 |
14 | 40cda5a |
15 | 2a4b9d3 |
hex | 1d32d10 |
30616848 has 60 divisors (see below), whose sum is σ = 86250060. Its totient is φ = 10138368.
The previous prime is 30616843. The next prime is 30616867. The reversal of 30616848 is 84861603.
It is a happy number.
30616848 is a `hidden beast` number, since 30 + 616 + 8 + 4 + 8 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 29289744 + 1327104 = 5412^2 + 1152^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (30616843) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24298 + ... + 25526.
It is an arithmetic number, because the mean of its divisors is an integer number (1437501).
Almost surely, 230616848 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30616848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43125030).
30616848 is an abundant number, since it is smaller than the sum of its proper divisors (55633212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30616848 is a wasteful number, since it uses less digits than its factorization.
30616848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1416 (or 1407 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 36.
The square root of 30616848 is about 5533.2493166312. The cubic root of 30616848 is about 312.8384744332.
The spelling of 30616848 in words is "thirty million, six hundred sixteen thousand, eight hundred forty-eight".
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