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20035300 = 22522331281
BaseRepresentation
bin100110001101…
…1011011100100
31101200220021011
41030123123210
520112112200
61553232004
7332203645
oct114333344
941626234
1020035300
11103448aa
126862604
1341c650c
1429376cc
151b5b5ba
hex131b6e4

20035300 has 72 divisors (see below), whose sum is σ = 46996992. Its totient is φ = 7392000.

The previous prime is 20035297. The next prime is 20035307. The reversal of 20035300 is 353002.

20035300 is nontrivially palindromic in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20035307) 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 23 ways as a sum of consecutive naturals, for example, 71160 + ... + 71440.

It is an arithmetic number, because the mean of its divisors is an integer number (652736).

Almost surely, 220035300 is an apocalyptic number.

20035300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20035300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23498496).

20035300 is an abundant number, since it is smaller than the sum of its proper divisors (26961692).

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

20035300 is a wasteful number, since it uses less digits than its factorization.

With its successor (20035301) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (342).

20035300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 13.

The square root of 20035300 is about 4476.0808750513. The cubic root of 20035300 is about 271.6013660322.

Adding to 20035300 its reverse (353002), we get a palindrome (20388302).

The spelling of 20035300 in words is "twenty million, thirty-five thousand, three hundred".

Divisors: 1 2 4 5 10 20 23 25 31 46 50 62 92 100 115 124 155 230 281 310 460 562 575 620 713 775 1124 1150 1405 1426 1550 2300 2810 2852 3100 3565 5620 6463 7025 7130 8711 12926 14050 14260 17422 17825 25852 28100 32315 34844 35650 43555 64630 71300 87110 129260 161575 174220 200353 217775 323150 400706 435550 646300 801412 871100 1001765 2003530 4007060 5008825 10017650 20035300