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2230378 = 21115189
BaseRepresentation
bin1000100000100001101010
311012022111121
420200201222
51032333003
6115445454
724646363
oct10404152
94168447
102230378
111293797
128b688a
13601267
14420b6a
152e0cbd
hex22086a

2230378 has 4 divisors (see below), whose sum is σ = 3345570. Its totient is φ = 1115188.

The previous prime is 2230351. The next prime is 2230409. The reversal of 2230378 is 8730322.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1595169 + 635209 = 1263^2 + 797^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557593 + ... + 557596.

22230378 is an apocalyptic number.

2230378 is a deficient number, since it is larger than the sum of its proper divisors (1115192).

2230378 is a wasteful number, since it uses less digits than its factorization.

2230378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115191.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2230378 is about 1493.4450107051. The cubic root of 2230378 is about 130.6550370857.

The spelling of 2230378 in words is "two million, two hundred thirty thousand, three hundred seventy-eight".

Divisors: 1 2 1115189 2230378