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20008350 = 2335214821
BaseRepresentation
bin100110001010…
…0110110011110
31101122112022000
41030110312132
520110231400
61552503130
7332032245
oct114246636
941575260
1020008350
111032662a
12684aaa6
1341b717b
14292b95c
151b53600
hex1314d9e

20008350 has 48 divisors (see below), whose sum is σ = 55137840. Its totient is φ = 5335200.

The previous prime is 20008343. The next prime is 20008381. The reversal of 20008350 is 5380002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6061 + ... + 8760.

It is an arithmetic number, because the mean of its divisors is an integer number (1148705).

Almost surely, 220008350 is an apocalyptic number.

20008350 is an abundant number, since it is smaller than the sum of its proper divisors (35129490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20008350 is a wasteful number, since it uses less digits than its factorization.

20008350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14842 (or 14831 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 20008350 is about 4473.0694159604. The cubic root of 20008350 is about 271.4795320488.

Adding to 20008350 its reverse (5380002), we get a palindrome (25388352).

The spelling of 20008350 in words is "twenty million, eight thousand, three hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 90 135 150 225 270 450 675 1350 14821 29642 44463 74105 88926 133389 148210 222315 266778 370525 400167 444630 666945 741050 800334 1111575 1333890 2000835 2223150 3334725 4001670 6669450 10004175 20008350