Search a number
-
+
20169300 = 2235267231
BaseRepresentation
bin100110011110…
…0001001010100
31101221201002010
41030330021110
520130404200
62000144220
7333302424
oct114741124
941851063
1020169300
1110426548
126908070
1342424c8
142970484
151b86150
hex133c254

20169300 has 36 divisors (see below), whose sum is σ = 58357376. Its totient is φ = 5378400.

The previous prime is 20169299. The next prime is 20169301. The reversal of 20169300 is 396102.

It is an interprime number because it is at equal distance from previous prime (20169299) and next prime (20169301).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20169301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33316 + ... + 33915.

Almost surely, 220169300 is an apocalyptic number.

20169300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20169300 is an abundant number, since it is smaller than the sum of its proper divisors (38188076).

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

20169300 is a wasteful number, since it uses less digits than its factorization.

20169300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67248 (or 67241 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 20169300 is about 4491.0243820313. The cubic root of 20169300 is about 272.2055287710.

The spelling of 20169300 in words is "twenty million, one hundred sixty-nine thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 67231 134462 201693 268924 336155 403386 672310 806772 1008465 1344620 1680775 2016930 3361550 4033860 5042325 6723100 10084650 20169300