Search a number
-
+
20067600 = 2435272389
BaseRepresentation
bin100110010001…
…1010100010000
31101202112120110
41030203110100
520114130400
61554041320
7332400060
oct114432420
941675513
1020067600
11103670a3
126879240
134208127
1429453a0
151b65e50
hex1323510

20067600 has 120 divisors (see below), whose sum is σ = 73497280. Its totient is φ = 4584960.

The previous prime is 20067587. The next prime is 20067601. The reversal of 20067600 is 676002.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20067601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7206 + ... + 9594.

Almost surely, 220067600 is an apocalyptic number.

20067600 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 20067600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36748640).

20067600 is an abundant number, since it is smaller than the sum of its proper divisors (53429680).

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

20067600 is a wasteful number, since it uses less digits than its factorization.

20067600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417 (or 2406 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 20067600 is about 4479.6874891001. The cubic root of 20067600 is about 271.7472421277.

The spelling of 20067600 in words is "twenty million, sixty-seven thousand, six hundred".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 35 40 42 48 50 56 60 70 75 80 84 100 105 112 120 140 150 168 175 200 210 240 280 300 336 350 400 420 525 560 600 700 840 1050 1200 1400 1680 2100 2389 2800 4200 4778 7167 8400 9556 11945 14334 16723 19112 23890 28668 33446 35835 38224 47780 50169 57336 59725 66892 71670 83615 95560 100338 114672 119450 133784 143340 167230 179175 191120 200676 238900 250845 267568 286680 334460 358350 401352 418075 477800 501690 573360 668920 716700 802704 836150 955600 1003380 1254225 1337840 1433400 1672300 2006760 2508450 2866800 3344600 4013520 5016900 6689200 10033800 20067600