Base | Representation |
---|---|
bin | 111010000011… |
… | …1101100001010 |
3 | 2010021112002220 |
4 | 1310013230022 |
5 | 30243041302 |
6 | 3004234510 |
7 | 516510642 |
oct | 164075412 |
9 | 63245086 |
10 | 30440202 |
11 | 162011a1 |
12 | a23ba36 |
13 | 63ca470 |
14 | 4085522 |
15 | 2a144bc |
hex | 1d07b0a |
30440202 has 32 divisors (see below), whose sum is σ = 67683840. Its totient is φ = 9063360.
The previous prime is 30440191. The next prime is 30440209. The reversal of 30440202 is 20204403.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (30440209) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3877 + ... + 8712.
It is an arithmetic number, because the mean of its divisors is an integer number (2115120).
Almost surely, 230440202 is an apocalyptic number.
30440202 is an abundant number, since it is smaller than the sum of its proper divisors (37243638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30440202 is a wasteful number, since it uses less digits than its factorization.
30440202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12638.
The product of its (nonzero) digits is 192, while the sum is 15.
The square root of 30440202 is about 5517.2639958588. The cubic root of 30440202 is about 312.2356659644.
Adding to 30440202 its reverse (20204403), we get a palindrome (50644605).
The spelling of 30440202 in words is "thirty million, four hundred forty thousand, two hundred two".
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