Base | Representation |
---|---|
bin | 101111101100… |
… | …111111000000 |
3 | 212112022200001 |
4 | 233230333000 |
5 | 11200130044 |
6 | 1124005344 |
7 | 211201540 |
oct | 57547700 |
9 | 25468601 |
10 | 12505024 |
11 | 7071234 |
12 | 4230854 |
13 | 278ab2c |
14 | 1937320 |
15 | 11702d4 |
hex | becfc0 |
12505024 has 56 divisors (see below), whose sum is σ = 28740608. Its totient is φ = 5287680.
The previous prime is 12504977. The next prime is 12505037. The reversal of 12505024 is 42050521.
It is a tau number, because it is divible by the number of its divisors (56).
It is a junction number, because it is equal to n+sod(n) for n = 12504992 and 12505010.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46009 + ... + 46279.
Almost surely, 212505024 is an apocalyptic number.
12505024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12505024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14370304).
12505024 is an abundant number, since it is smaller than the sum of its proper divisors (16235584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12505024 is a wasteful number, since it uses less digits than its factorization.
12505024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 393 (or 383 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 19.
The square root of 12505024 is about 3536.2443354497. The cubic root of 12505024 is about 232.1105299724.
Adding to 12505024 its reverse (42050521), we get a palindrome (54555545).
The spelling of 12505024 in words is "twelve million, five hundred five thousand, twenty-four".
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