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2663238 = 23443873
BaseRepresentation
bin1010001010001101000110
312000022021110
422022031012
51140210423
6133025450
731431354
oct12121506
95008243
102663238
111559a26
12a85286
137232a6
144d47d4
15379193
hex28a346

2663238 has 8 divisors (see below), whose sum is σ = 5326488. Its totient is φ = 887744.

The previous prime is 2663231. The next prime is 2663251. The reversal of 2663238 is 8323662.

It is a sphenic number, since it is the product of 3 distinct primes.

2663238 is an admirable number.

It is a d-powerful number, because it can be written as 218 + 67 + 68 + 37 + 218 + 311 + 82 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663231) 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, 221931 + ... + 221942.

It is an arithmetic number, because the mean of its divisors is an integer number (665811).

22663238 is an apocalyptic number.

2663238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2663238 is a wasteful number, since it uses less digits than its factorization.

2663238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443878.

The product of its digits is 10368, while the sum is 30.

The square root of 2663238 is about 1631.9430137110. The cubic root of 2663238 is about 138.6127967629.

The spelling of 2663238 in words is "two million, six hundred sixty-three thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 443873 887746 1331619 2663238