Base | Representation |
---|---|
bin | 111010001011… |
… | …0011000110100 |
3 | 2010101120200121 |
4 | 1310112120310 |
5 | 30302003104 |
6 | 3005421324 |
7 | 520151314 |
oct | 164263064 |
9 | 63346617 |
10 | 30500404 |
11 | 16242450 |
12 | a26a844 |
13 | 641b99c |
14 | 409d444 |
15 | 2a27254 |
hex | 1d16634 |
30500404 has 48 divisors (see below), whose sum is σ = 61286400. Its totient is φ = 13154400.
The previous prime is 30500383. The next prime is 30500413. The reversal of 30500404 is 40400503.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80287 + ... + 80665.
It is an arithmetic number, because the mean of its divisors is an integer number (1276800).
Almost surely, 230500404 is an apocalyptic number.
It is an amenable number.
30500404 is an abundant number, since it is smaller than the sum of its proper divisors (30785996).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30500404 is a wasteful number, since it uses less digits than its factorization.
30500404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 484 (or 482 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 16.
The square root of 30500404 is about 5522.7170849139. The cubic root of 30500404 is about 312.4413679867.
Adding to 30500404 its reverse (40400503), we get a palindrome (70900907).
Subtracting 30500404 from its reverse (40400503), we obtain a palindrome (9900099).
The spelling of 30500404 in words is "thirty million, five hundred thousand, four hundred four".
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