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201200 = 2452503
BaseRepresentation
bin110001000111110000
3101012222212
4301013300
522414300
64151252
71465406
oct610760
9335885
10201200
1112818a
1298528
137076c
1453476
153e935
hex311f0

201200 has 30 divisors (see below), whose sum is σ = 484344. Its totient is φ = 80320.

The previous prime is 201193. The next prime is 201203. The reversal of 201200 is 2102.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201203) by changing a digit.

201200 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 149 + ... + 651.

2201200 is an apocalyptic number.

201200 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 201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242172).

201200 is an abundant number, since it is smaller than the sum of its proper divisors (283144).

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

201200 is a wasteful number, since it uses less digits than its factorization.

201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 201200 is about 448.5532298401. The cubic root of 201200 is about 58.5970823290.

Adding to 201200 its reverse (2102), we get a palindrome (203302).

The spelling of 201200 in words is "two hundred one thousand, two hundred", and thus it is an iban number.