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2230451 = 17131203
BaseRepresentation
bin1000100000100010110011
311012022121022
420200202303
51032333301
6115450055
724646526
oct10404263
94168538
102230451
111293853
128b692b
136012c2
14420bbd
152e0d1b
hex2208b3

2230451 has 4 divisors (see below), whose sum is σ = 2361672. Its totient is φ = 2099232.

The previous prime is 2230439. The next prime is 2230457. The reversal of 2230451 is 1540322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2230451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 131203 = 2230451 / (2 + 2 + 3 + 0 + 4 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2230457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65585 + ... + 65618.

It is an arithmetic number, because the mean of its divisors is an integer number (590418).

22230451 is an apocalyptic number.

2230451 is a deficient number, since it is larger than the sum of its proper divisors (131221).

2230451 is a wasteful number, since it uses less digits than its factorization.

2230451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131220.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2230451 is about 1493.4694506417. The cubic root of 2230451 is about 130.6564625113.

Adding to 2230451 its reverse (1540322), we get a palindrome (3770773).

The spelling of 2230451 in words is "two million, two hundred thirty thousand, four hundred fifty-one".

Divisors: 1 17 131203 2230451