Base | Representation |
---|---|
bin | 101110010100… |
… | …000101011100 |
3 | 211211211011200 |
4 | 232110011130 |
5 | 11102002032 |
6 | 1112115500 |
7 | 205124121 |
oct | 56240534 |
9 | 24754150 |
10 | 12140892 |
11 | 69426a5 |
12 | 4095b90 |
13 | 269117a |
14 | 1880748 |
15 | 10ec47c |
hex | b9415c |
12140892 has 36 divisors (see below), whose sum is σ = 30892680. Its totient is φ = 4020192.
The previous prime is 12140861. The next prime is 12140903. The reversal of 12140892 is 29804121.
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4834 + ... + 6902.
It is an arithmetic number, because the mean of its divisors is an integer number (858130).
Almost surely, 212140892 is an apocalyptic number.
12140892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12140892 is an abundant number, since it is smaller than the sum of its proper divisors (18751788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12140892 is a wasteful number, since it uses less digits than its factorization.
12140892 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2242 (or 2237 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
The square root of 12140892 is about 3484.3782802675. The cubic root of 12140892 is about 229.8353705324.
The spelling of 12140892 in words is "twelve million, one hundred forty thousand, eight hundred ninety-two".
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