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22147006 = 271581929
BaseRepresentation
bin101010001111…
…0111110111110
31112200011222111
41110132332332
521132201011
62110404234
7356150350
oct124367676
945604874
1022147006
1111557412
12750067a
13478574b
142d270d0
151e27121
hex151efbe

22147006 has 8 divisors (see below), whose sum is σ = 37966320. Its totient is φ = 9491568.

The previous prime is 22147003. The next prime is 22147031. The reversal of 22147006 is 60074122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22147003) 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 3 ways as a sum of consecutive naturals, for example, 790951 + ... + 790978.

It is an arithmetic number, because the mean of its divisors is an integer number (4745790).

Almost surely, 222147006 is an apocalyptic number.

22147006 is a deficient number, since it is larger than the sum of its proper divisors (15819314).

22147006 is a wasteful number, since it uses less digits than its factorization.

22147006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581938.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 22147006 is about 4706.0605605963. The cubic root of 22147006 is about 280.8266641211.

The spelling of 22147006 in words is "twenty-two million, one hundred forty-seven thousand, six".

Divisors: 1 2 7 14 1581929 3163858 11073503 22147006