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2230545 = 35374019
BaseRepresentation
bin1000100000100100010001
311012022201210
420200210101
51032334140
6115450333
724650022
oct10404421
94168653
102230545
111293929
128b69a9
13601365
14420c49
152e0d80
hex220911

2230545 has 16 divisors (see below), whose sum is σ = 3666240. Its totient is φ = 1157184.

The previous prime is 2230541. The next prime is 2230549. The reversal of 2230545 is 5450322.

It is an interprime number because it is at equal distance from previous prime (2230541) and next prime (2230549).

It is not a de Polignac number, because 2230545 - 22 = 2230541 is a prime.

It is a d-powerful number, because it can be written as 217 + 221 + 37 + 0 + 5 + 4 + 53 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2230541) 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, 1455 + ... + 2564.

It is an arithmetic number, because the mean of its divisors is an integer number (229140).

22230545 is an apocalyptic number.

It is an amenable number.

2230545 is a deficient number, since it is larger than the sum of its proper divisors (1435695).

2230545 is a wasteful number, since it uses less digits than its factorization.

2230545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 2230545 is about 1493.5009206559. The cubic root of 2230545 is about 130.6582979450.

Adding to 2230545 its reverse (5450322), we get a palindrome (7680867).

It can be divided in two parts, 2230 and 545, that added together give a triangular number (2775 = T74).

The spelling of 2230545 in words is "two million, two hundred thirty thousand, five hundred forty-five".

Divisors: 1 3 5 15 37 111 185 555 4019 12057 20095 60285 148703 446109 743515 2230545