Base | Representation |
---|---|
bin | 101110111110… |
… | …100110101110 |
3 | 212011200002010 |
4 | 232332212232 |
5 | 11123040204 |
6 | 1115542050 |
7 | 206450643 |
oct | 56764656 |
9 | 25150063 |
10 | 12315054 |
11 | 6a51534 |
12 | 415a926 |
13 | 272251b |
14 | 18c7dca |
15 | 1133d89 |
hex | bbe9ae |
12315054 has 16 divisors (see below), whose sum is σ = 24665040. Its totient is φ = 4099200.
The previous prime is 12315013. The next prime is 12315077. The reversal of 12315054 is 45051321.
It is a self number, because there is not a number n which added to its sum of digits gives 12315054.
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, 6352 + ... + 8060.
It is an arithmetic number, because the mean of its divisors is an integer number (1541565).
Almost surely, 212315054 is an apocalyptic number.
12315054 is an abundant number, since it is smaller than the sum of its proper divisors (12349986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12315054 is a wasteful number, since it uses less digits than its factorization.
12315054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2915.
The product of its (nonzero) digits is 600, while the sum is 21.
The square root of 12315054 is about 3509.2811229652. The cubic root of 12315054 is about 230.9291587648.
Adding to 12315054 its reverse (45051321), we get a palindrome (57366375).
The spelling of 12315054 in words is "twelve million, three hundred fifteen thousand, fifty-four".
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