Base | Representation |
---|---|
bin | 11001100101101… |
… | …11100101010100 |
3 | 112221220221011110 |
4 | 30302313211110 |
5 | 414423131320 |
6 | 33144535020 |
7 | 5214410106 |
oct | 1462674524 |
9 | 487827143 |
10 | 214661460 |
11 | 100197372 |
12 | 5ba81470 |
13 | 3561b820 |
14 | 2071b576 |
15 | 13ca35e0 |
hex | ccb7954 |
214661460 has 48 divisors (see below), whose sum is σ = 647289216. Its totient is φ = 52839552.
The previous prime is 214661437. The next prime is 214661477. The reversal of 214661460 is 64166412.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136824 + ... + 138383.
It is an arithmetic number, because the mean of its divisors is an integer number (13485192).
Almost surely, 2214661460 is an apocalyptic number.
214661460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
214661460 is an abundant number, since it is smaller than the sum of its proper divisors (432627756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214661460 is a wasteful number, since it uses less digits than its factorization.
214661460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 275232 (or 275230 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 30.
The square root of 214661460 is about 14651.3296324941. The cubic root of 214661460 is about 598.7580421192.
The spelling of 214661460 in words is "two hundred fourteen million, six hundred sixty-one thousand, four hundred sixty".
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