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201225 = 3522683
BaseRepresentation
bin110001001000001001
3101020000210
4301020021
522414400
64151333
71465443
oct611011
9336023
10201225
11128202
1298549
137078b
1453493
153e950
hex31209

201225 has 12 divisors (see below), whose sum is σ = 332816. Its totient is φ = 107280.

The previous prime is 201211. The next prime is 201233. The reversal of 201225 is 522102.

It is not a de Polignac number, because 201225 - 24 = 201209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1267 + ... + 1416.

2201225 is an apocalyptic number.

201225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201225 is a deficient number, since it is larger than the sum of its proper divisors (131591).

201225 is a wasteful number, since it uses less digits than its factorization.

201225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696 (or 2691 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 201225 is about 448.5810963471. The cubic root of 201225 is about 58.5995092117.

Adding to 201225 its reverse (522102), we get a palindrome (723327).

The spelling of 201225 in words is "two hundred one thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 2683 8049 13415 40245 67075 201225