Base | Representation |
---|---|
bin | 111010100100… |
… | …1100110000100 |
3 | 2010210020101220 |
4 | 1311021212010 |
5 | 30330211043 |
6 | 3014120340 |
7 | 522013650 |
oct | 165114604 |
9 | 63706356 |
10 | 30710148 |
11 | 16375a97 |
12 | a3500b0 |
13 | 64932b1 |
14 | 4115a60 |
15 | 2a69483 |
hex | 1d49984 |
30710148 has 96 divisors (see below), whose sum is σ = 86515968. Its totient is φ = 8294400.
The previous prime is 30710117. The next prime is 30710153. The reversal of 30710148 is 84101703.
It is a super-2 number, since 2×307101482 = 1886226380363808, which contains 22 as substring.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 127308 + ... + 127548.
It is an arithmetic number, because the mean of its divisors is an integer number (901208).
Almost surely, 230710148 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 30710148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43257984).
30710148 is an abundant number, since it is smaller than the sum of its proper divisors (55805820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30710148 is a wasteful number, since it uses less digits than its factorization.
30710148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 333 (or 331 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 24.
The square root of 30710148 is about 5541.6737543814. The cubic root of 30710148 is about 313.1559274395.
The spelling of 30710148 in words is "thirty million, seven hundred ten thousand, one hundred forty-eight".
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