Base | Representation |
---|---|
bin | 111001101010… |
… | …0011000001000 |
3 | 2002212211210112 |
4 | 1303110120020 |
5 | 30214330044 |
6 | 2555533452 |
7 | 514644116 |
oct | 163243010 |
9 | 62784715 |
10 | 30230024 |
11 | 160782a0 |
12 | a15a288 |
13 | 63558b6 |
14 | 402cab6 |
15 | 29c209e |
hex | 1cd4608 |
30230024 has 32 divisors (see below), whose sum is σ = 63158400. Its totient is φ = 13446720.
The previous prime is 30230023. The next prime is 30230033. The reversal of 30230024 is 42003203.
It is a junction number, because it is equal to n+sod(n) for n = 30229990 and 30230008.
It is not an unprimeable number, because it can be changed into a prime (30230021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482 + ... + 7790.
It is an arithmetic number, because the mean of its divisors is an integer number (1973700).
Almost surely, 230230024 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 30230024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31579200).
30230024 is an abundant number, since it is smaller than the sum of its proper divisors (32928376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30230024 is a wasteful number, since it uses less digits than its factorization.
30230024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7373 (or 7369 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 14.
The square root of 30230024 is about 5498.1837000959. The cubic root of 30230024 is about 311.5153828714.
Adding to 30230024 its reverse (42003203), we get a palindrome (72233227).
The spelling of 30230024 in words is "thirty million, two hundred thirty thousand, twenty-four".
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