Base | Representation |
---|---|
bin | 101110010100… |
… | …011110011000 |
3 | 211211220100210 |
4 | 232110132120 |
5 | 11102024423 |
6 | 1112131120 |
7 | 205131561 |
oct | 56243630 |
9 | 24756323 |
10 | 12142488 |
11 | 6943916 |
12 | 4096aa0 |
13 | 2691b07 |
14 | 1881168 |
15 | 10ecb93 |
hex | b94798 |
12142488 has 32 divisors (see below), whose sum is σ = 32142960. Its totient is φ = 3809280.
The previous prime is 12142451. The next prime is 12142499. The reversal of 12142488 is 88424121.
12142488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a nude number because it is divisible by every one of its digits.
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, 14473 + ... + 15288.
Almost surely, 212142488 is an apocalyptic number.
It is an amenable number.
12142488 is an abundant number, since it is smaller than the sum of its proper divisors (20000472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12142488 is a wasteful number, since it uses less digits than its factorization.
12142488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29787 (or 29783 counting only the distinct ones).
The product of its digits is 4096, while the sum is 30.
The square root of 12142488 is about 3484.6072949473. The cubic root of 12142488 is about 229.8454412141.
The spelling of 12142488 in words is "twelve million, one hundred forty-two thousand, four hundred eighty-eight".
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