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20444302 = 217976199
BaseRepresentation
bin100110111111…
…1010010001110
31102110200022101
41031333102032
520213204202
62010105314
7335526244
oct115772216
942420271
1020444302
11105a411a
126a1b23a
13430a728
142a02794
151bdc887
hex137f48e

20444302 has 16 divisors (see below), whose sum is σ = 32810400. Its totient is φ = 9520128.

The previous prime is 20444293. The next prime is 20444327. The reversal of 20444302 is 20344402.

It is a self number, because there is not a number n which added to its sum of digits gives 20444302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199 + ... + 6397.

It is an arithmetic number, because the mean of its divisors is an integer number (2050650).

Almost surely, 220444302 is an apocalyptic number.

20444302 is a deficient number, since it is larger than the sum of its proper divisors (12366098).

20444302 is a wasteful number, since it uses less digits than its factorization.

20444302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6315.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 20444302 is about 4521.5375703404. The cubic root of 20444302 is about 273.4370935961.

Adding to 20444302 its reverse (20344402), we get a palindrome (40788704).

The spelling of 20444302 in words is "twenty million, four hundred forty-four thousand, three hundred two".

Divisors: 1 2 17 34 97 194 1649 3298 6199 12398 105383 210766 601303 1202606 10222151 20444302