Base | Representation |
---|---|
bin | 101101110010… |
… | …001111101000 |
3 | 211120210000220 |
4 | 231302033220 |
5 | 11033033110 |
6 | 1105130040 |
7 | 204006033 |
oct | 55621750 |
9 | 24523026 |
10 | 12002280 |
11 | 6858544 |
12 | 4029920 |
13 | 2643054 |
14 | 184601a |
15 | 10c1370 |
hex | b723e8 |
12002280 has 32 divisors (see below), whose sum is σ = 36007200. Its totient is φ = 3200576.
The previous prime is 12002279. The next prime is 12002321. The reversal of 12002280 is 8220021.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49890 + ... + 50129.
It is an arithmetic number, because the mean of its divisors is an integer number (1125225).
Almost surely, 212002280 is an apocalyptic number.
12002280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12002280 is an abundant number, since it is smaller than the sum of its proper divisors (24004920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12002280 is a wasteful number, since it uses less digits than its factorization.
12002280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100033 (or 100029 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 12002280 is about 3464.4306891609. The cubic root of 12002280 is about 228.9573473062.
The spelling of 12002280 in words is "twelve million, two thousand, two hundred eighty".
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