Base | Representation |
---|---|
bin | 111010001100… |
… | …0000110001100 |
3 | 2010101221021212 |
4 | 1310120012030 |
5 | 30302214104 |
6 | 3005513552 |
7 | 520210604 |
oct | 164300614 |
9 | 63357255 |
10 | 30507404 |
11 | 16247734 |
12 | a2728b8 |
13 | 6421c25 |
14 | 40a1c04 |
15 | 2a2936e |
hex | 1d1818c |
30507404 has 6 divisors (see below), whose sum is σ = 53387964. Its totient is φ = 15253700.
The previous prime is 30507349. The next prime is 30507413. The reversal of 30507404 is 40470503.
It is a self number, because there is not a number n which added to its sum of digits gives 30507404.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3813422 + ... + 3813429.
It is an arithmetic number, because the mean of its divisors is an integer number (8897994).
Almost surely, 230507404 is an apocalyptic number.
It is an amenable number.
30507404 is a deficient number, since it is larger than the sum of its proper divisors (22880560).
30507404 is a wasteful number, since it uses less digits than its factorization.
30507404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7626855 (or 7626853 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 23.
The square root of 30507404 is about 5523.3507945811. The cubic root of 30507404 is about 312.4652684600.
Adding to 30507404 its reverse (40470503), we get a palindrome (70977907).
The spelling of 30507404 in words is "thirty million, five hundred seven thousand, four hundred four".
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