Base | Representation |
---|---|
bin | 101111101001… |
… | …010110011001 |
3 | 212111120020200 |
4 | 233221112121 |
5 | 11144141022 |
6 | 1123412413 |
7 | 211110252 |
oct | 57512631 |
9 | 25446220 |
10 | 12490137 |
11 | 7061030 |
12 | 4224109 |
13 | 278411a |
14 | 1931b29 |
15 | 116abac |
hex | be9599 |
12490137 has 24 divisors (see below), whose sum is σ = 19943040. Its totient is φ = 7469280.
The previous prime is 12490103. The next prime is 12490147. The reversal of 12490137 is 73109421.
12490137 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12490137 - 218 = 12227993 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12490137.
It is not an unprimeable number, because it can be changed into a prime (12490147) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7023 + ... + 8619.
It is an arithmetic number, because the mean of its divisors is an integer number (830960).
Almost surely, 212490137 is an apocalyptic number.
It is an amenable number.
12490137 is a deficient number, since it is larger than the sum of its proper divisors (7452903).
12490137 is a wasteful number, since it uses less digits than its factorization.
12490137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1693 (or 1690 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 12490137 is about 3534.1387918417. The cubic root of 12490137 is about 232.0183856317.
Adding to 12490137 its reverse (73109421), we get a palindrome (85599558).
The spelling of 12490137 in words is "twelve million, four hundred ninety thousand, one hundred thirty-seven".
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