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220125 = 353587
BaseRepresentation
bin110101101111011101
3102011221210
4311233131
524021000
64415033
71604523
oct655735
9364853
10220125
11140424
12a7479
1379269
145a313
1545350
hex35bdd

220125 has 16 divisors (see below), whose sum is σ = 366912. Its totient is φ = 117200.

The previous prime is 220123. The next prime is 220141. The reversal of 220125 is 521022.

220125 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220125 - 21 = 220123 is a prime.

220125 is strictly pandigital in base 7.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 220125.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 220125.

It is not an unprimeable number, because it can be changed into a prime (220123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82 + ... + 668.

It is an arithmetic number, because the mean of its divisors is an integer number (22932).

2220125 is an apocalyptic number.

220125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220125 is a deficient number, since it is larger than the sum of its proper divisors (146787).

220125 is an equidigital number, since it uses as much as digits as its factorization.

With its predecessor (220124) it forms an eRAP, since the sums of their prime factors are consecutive (604 and 605).

220125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 595 counting only the distinct ones).

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

The square root of 220125 is about 469.1748075078. The cubic root of 220125 is about 60.3795385569.

Adding to 220125 its reverse (521022), we get a palindrome (741147).

The spelling of 220125 in words is "two hundred twenty thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 587 1761 2935 8805 14675 44025 73375 220125