Base | Representation |
---|---|
bin | 111001101010… |
… | …1011010011110 |
3 | 2002220001121210 |
4 | 1303111122132 |
5 | 30214444040 |
6 | 3000005250 |
7 | 514662363 |
oct | 163253236 |
9 | 62801553 |
10 | 30234270 |
11 | 16080500 |
12 | a160826 |
13 | 6357801 |
14 | 403046a |
15 | 29c3480 |
hex | 1cd569e |
30234270 has 48 divisors (see below), whose sum is σ = 79768080. Its totient is φ = 7328640.
The previous prime is 30234257. The next prime is 30234271. The reversal of 30234270 is 7243203.
It is a happy number.
It is a super-2 number, since 2×302342702 = 1828222164865800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30234271) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 535 + ... + 7794.
It is an arithmetic number, because the mean of its divisors is an integer number (1661835).
Almost surely, 230234270 is an apocalyptic number.
30234270 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 30234270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39884040).
30234270 is an abundant number, since it is smaller than the sum of its proper divisors (49533810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30234270 is a wasteful number, since it uses less digits than its factorization.
30234270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8361 (or 8350 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 21.
The square root of 30234270 is about 5498.5698140517. The cubic root of 30234270 is about 311.5299669638.
Adding to 30234270 its reverse (7243203), we get a palindrome (37477473).
The spelling of 30234270 in words is "thirty million, two hundred thirty-four thousand, two hundred seventy".
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