Base | Representation |
---|---|
bin | 111001111111… |
… | …0011010011100 |
3 | 2010012120222120 |
4 | 1303332122130 |
5 | 30240332304 |
6 | 3003342540 |
7 | 516262110 |
oct | 163763234 |
9 | 63176876 |
10 | 30402204 |
11 | 16185698 |
12 | a221a50 |
13 | 63b6091 |
14 | 4075740 |
15 | 2a080d9 |
hex | 1cfe69c |
30402204 has 96 divisors (see below), whose sum is σ = 87521280. Its totient is φ = 8019648.
The previous prime is 30402199. The next prime is 30402209. The reversal of 30402204 is 40220403.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (30402199) and next prime (30402209).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30402209) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68407 + ... + 68849.
It is an arithmetic number, because the mean of its divisors is an integer number (911680).
Almost surely, 230402204 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 30402204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43760640).
30402204 is an abundant number, since it is smaller than the sum of its proper divisors (57119076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30402204 is a wasteful number, since it uses less digits than its factorization.
30402204 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 519 (or 517 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 15.
The square root of 30402204 is about 5513.8193659205. The cubic root of 30402204 is about 312.1056923313.
Adding to 30402204 its reverse (40220403), we get a palindrome (70622607).
The spelling of 30402204 in words is "thirty million, four hundred two thousand, two hundred four".
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