Base | Representation |
---|---|
bin | 101101111110… |
… | …111000111110 |
3 | 211200102002100 |
4 | 231332320332 |
5 | 11041212303 |
6 | 1110205530 |
7 | 204313041 |
oct | 55767076 |
9 | 24612070 |
10 | 12054078 |
11 | 6893453 |
12 | 40538a6 |
13 | 26607ba |
14 | 185ac58 |
15 | 10d18a3 |
hex | b7ee3e |
12054078 has 24 divisors (see below), whose sum is σ = 26327808. Its totient is φ = 3985632.
The previous prime is 12054073. The next prime is 12054083. The reversal of 12054078 is 87045021.
It is an interprime number because it is at equal distance from previous prime (12054073) and next prime (12054083).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12054073) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 351 + ... + 4922.
It is an arithmetic number, because the mean of its divisors is an integer number (1096992).
Almost surely, 212054078 is an apocalyptic number.
12054078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
12054078 is an abundant number, since it is smaller than the sum of its proper divisors (14273730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12054078 is a wasteful number, since it uses less digits than its factorization.
12054078 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5408 (or 5405 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 12054078 is about 3471.8983280044. The cubic root of 12054078 is about 229.2862435052.
Adding to 12054078 its reverse (87045021), we get a palindrome (99099099).
The spelling of 12054078 in words is "twelve million, fifty-four thousand, seventy-eight".
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