Search a number
-
+
201919200 = 253527217101
BaseRepresentation
bin11000000100100…
…00101011100000
3112001221120001220
430002100223200
5403142403300
632011455040
75001166500
oct1402205340
9461846056
10201919200
11a3a8397a
1257757480
1332aa9a22
141cb61a00
1512ad7da0
hexc090ae0

201919200 has 432 divisors, whose sum is σ = 817541424. Its totient is φ = 43008000.

The previous prime is 201919189. The next prime is 201919229. The reversal of 201919200 is 2919102.

201919200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1999150 + ... + 1999250.

It is an arithmetic number, because the mean of its divisors is an integer number (1892457).

Almost surely, 2201919200 is an apocalyptic number.

201919200 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 201919200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408770712).

201919200 is an abundant number, since it is smaller than the sum of its proper divisors (615622224).

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

201919200 is a wasteful number, since it uses less digits than its factorization.

201919200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 201919200 is about 14209.8275851609. The cubic root of 201919200 is about 586.6681875534.

The spelling of 201919200 in words is "two hundred one million, nine hundred nineteen thousand, two hundred".