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2213625 = 3535903
BaseRepresentation
bin1000011100011011111001
311011110112010
420130123321
51031314000
6115240133
724546501
oct10343371
94143463
102213625
111282147
128a9049
135c674b
14418a01
152dad50
hex21c6f9

2213625 has 16 divisors (see below), whose sum is σ = 3684096. Its totient is φ = 1180400.

The previous prime is 2213623. The next prime is 2213647. The reversal of 2213625 is 5263122.

It is not a de Polignac number, because 2213625 - 21 = 2213623 is a prime.

It is a d-powerful number, because it can be written as 2 + 29 + 1 + 312 + 68 + 211 + 5 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2213623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2577 + ... + 3326.

It is an arithmetic number, because the mean of its divisors is an integer number (230256).

22213625 is an apocalyptic number.

2213625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2213625 is a deficient number, since it is larger than the sum of its proper divisors (1470471).

2213625 is an equidigital number, since it uses as much as digits as its factorization.

2213625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5921 (or 5911 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 2213625 is about 1487.8255946179. The cubic root of 2213625 is about 130.3270856185.

Adding to 2213625 its reverse (5263122), we get a palindrome (7476747).

The spelling of 2213625 in words is "two million, two hundred thirteen thousand, six hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 5903 17709 29515 88545 147575 442725 737875 2213625