Search a number
-
+
200125 = 531601
BaseRepresentation
bin110000110110111101
3101011112001
4300312331
522401000
64142301
71462312
oct606675
9334461
10200125
111273a2
1297991
1370123
1452d09
153e46a
hex30dbd

200125 has 8 divisors (see below), whose sum is σ = 249912. Its totient is φ = 160000.

The previous prime is 200117. The next prime is 200131. The reversal of 200125 is 521002.

It can be written as a sum of positive squares in 4 ways, for example, as 4761 + 195364 = 69^2 + 442^2 .

It is not a de Polignac number, because 200125 - 23 = 200117 is a prime.

It is a Duffinian number.

200125 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 676 + ... + 925.

It is an arithmetic number, because the mean of its divisors is an integer number (31239).

2200125 is an apocalyptic number.

200125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

200125 is a deficient number, since it is larger than the sum of its proper divisors (49787).

200125 is an equidigital number, since it uses as much as digits as its factorization.

200125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616 (or 1606 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 200125 is about 447.3533279188. The cubic root of 200125 is about 58.4925356342.

Adding to 200125 its reverse (521002), we get a palindrome (721127).

It can be divided in two parts, 200 and 125, that added together give a triangular number (325 = T25).

The spelling of 200125 in words is "two hundred thousand, one hundred twenty-five".

Divisors: 1 5 25 125 1601 8005 40025 200125