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22010242 = 257719073
BaseRepresentation
bin101001111110…
…1100110000010
31112102020101011
41103331212002
521113311432
62103431134
7355040542
oct123754602
945366334
1022010242
1111473691
1274554aa
134738417
142ccd322
151deb847
hex14fd982

22010242 has 8 divisors (see below), whose sum is σ = 33074316. Its totient is φ = 10985472.

The previous prime is 22010239. The next prime is 22010249. The reversal of 22010242 is 24201022.

It can be written as a sum of positive squares in 2 ways, for example, as 22005481 + 4761 = 4691^2 + 69^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22010249) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8383 + ... + 10690.

Almost surely, 222010242 is an apocalyptic number.

22010242 is a deficient number, since it is larger than the sum of its proper divisors (11064074).

22010242 is a wasteful number, since it uses less digits than its factorization.

22010242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19652.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 22010242 is about 4691.5074336507. The cubic root of 22010242 is about 280.2474088754.

Adding to 22010242 its reverse (24201022), we get a palindrome (46211264).

The spelling of 22010242 in words is "twenty-two million, ten thousand, two hundred forty-two".

Divisors: 1 2 577 1154 19073 38146 11005121 22010242