Search a number
-
+
2214245 = 511127317
BaseRepresentation
bin1000011100100101100101
311011111101002
420130211211
51031323440
6115243045
724551345
oct10344545
94144332
102214245
111282660
128a9485
135c6b07
14418d25
152db115
hex21c965

2214245 has 16 divisors (see below), whose sum is σ = 2930688. Its totient is φ = 1592640.

The previous prime is 2214221. The next prime is 2214257. The reversal of 2214245 is 5424122.

It is a happy number.

It is not a de Polignac number, because 2214245 - 216 = 2148709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6827 + ... + 7143.

It is an arithmetic number, because the mean of its divisors is an integer number (183168).

22214245 is an apocalyptic number.

It is an amenable number.

2214245 is a deficient number, since it is larger than the sum of its proper divisors (716443).

2214245 is a wasteful number, since it uses less digits than its factorization.

2214245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460.

The product of its digits is 640, while the sum is 20.

The square root of 2214245 is about 1488.0339377850. The cubic root of 2214245 is about 130.3392519746.

Adding to 2214245 its reverse (5424122), we get a palindrome (7638367).

The spelling of 2214245 in words is "two million, two hundred fourteen thousand, two hundred forty-five".

Divisors: 1 5 11 55 127 317 635 1397 1585 3487 6985 17435 40259 201295 442849 2214245