Base | Representation |
---|---|
bin | 110110001111… |
… | …111010101100 |
3 | 222202111111200 |
4 | 312033322230 |
5 | 12120032342 |
6 | 1224445500 |
7 | 231606363 |
oct | 66177254 |
9 | 28674450 |
10 | 14220972 |
11 | 8033477 |
12 | 4919890 |
13 | 2c3bb9c |
14 | 1c627da |
15 | 13ad94c |
hex | d8feac |
14220972 has 18 divisors (see below), whose sum is σ = 35947548. Its totient is φ = 4740312.
The previous prime is 14220929. The next prime is 14220977. The reversal of 14220972 is 27902241.
It is a tau number, because it is divible by the number of its divisors (18).
It is not an unprimeable number, because it can be changed into a prime (14220977) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197478 + ... + 197549.
It is an arithmetic number, because the mean of its divisors is an integer number (1997086).
Almost surely, 214220972 is an apocalyptic number.
14220972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
14220972 is an abundant number, since it is smaller than the sum of its proper divisors (21726576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14220972 is a wasteful number, since it uses less digits than its factorization.
14220972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 395037 (or 395032 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
The square root of 14220972 is about 3771.0704050707. The cubic root of 14220972 is about 242.2756461137.
The spelling of 14220972 in words is "fourteen million, two hundred twenty thousand, nine hundred seventy-two".
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