Base | Representation |
---|---|
bin | 101111011010… |
… | …111001111100 |
3 | 212101120002101 |
4 | 233122321330 |
5 | 11140242342 |
6 | 1122234444 |
7 | 210442621 |
oct | 57327174 |
9 | 25346071 |
10 | 12430972 |
11 | 7020634 |
12 | 41b5a24 |
13 | 2763208 |
14 | 1918348 |
15 | 11583b7 |
hex | bdae7c |
12430972 has 6 divisors (see below), whose sum is σ = 21754208. Its totient is φ = 6215484.
The previous prime is 12430963. The next prime is 12431033. The reversal of 12430972 is 27903421.
It is a plaindrome in base 6.
It is a self number, because there is not a number n which added to its sum of digits gives 12430972.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1553868 + ... + 1553875.
Almost surely, 212430972 is an apocalyptic number.
It is an amenable number.
12430972 is a deficient number, since it is larger than the sum of its proper divisors (9323236).
12430972 is a wasteful number, since it uses less digits than its factorization.
12430972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3107747 (or 3107745 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 28.
The square root of 12430972 is about 3525.7583581408. The cubic root of 12430972 is about 231.6514534346.
The spelling of 12430972 in words is "twelve million, four hundred thirty thousand, nine hundred seventy-two".
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