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20494322 = 210399487
BaseRepresentation
bin100111000101…
…1011111110010
31102120012220222
41032023133302
520221304242
62011133042
7336125132
oct116133762
942505828
1020494322
1110628762
126a44182
134327424
142a16ac2
151bec5d2
hex138b7f2

20494322 has 8 divisors (see below), whose sum is σ = 31040256. Its totient is φ = 10147572.

The previous prime is 20494321. The next prime is 20494343. The reversal of 20494322 is 22349402.

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

It is a junction number, because it is equal to n+sod(n) for n = 20494291 and 20494300.

It is not an unprimeable number, because it can be changed into a prime (20494321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49538 + ... + 49949.

It is an arithmetic number, because the mean of its divisors is an integer number (3880032).

Almost surely, 220494322 is an apocalyptic number.

20494322 is a deficient number, since it is larger than the sum of its proper divisors (10545934).

20494322 is a wasteful number, since it uses less digits than its factorization.

20494322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99592.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 20494322 is about 4527.0654954396. The cubic root of 20494322 is about 273.6599133665.

The spelling of 20494322 in words is "twenty million, four hundred ninety-four thousand, three hundred twenty-two".

Divisors: 1 2 103 206 99487 198974 10247161 20494322