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26643230 = 254361961
BaseRepresentation
bin110010110100…
…0101100011110
31212010121122022
41211220230132
523310040410
62351020142
7442315025
oct145505436
955117568
1026643230
11140484a9
128b0a652
13569b133
1437778bc
152514455
hex1968b1e

26643230 has 16 divisors (see below), whose sum is σ = 49073904. Its totient is φ = 10409280.

The previous prime is 26643209. The next prime is 26643241. The reversal of 26643230 is 3234662.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 26643230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30551 + ... + 31410.

It is an arithmetic number, because the mean of its divisors is an integer number (3067119).

Almost surely, 226643230 is an apocalyptic number.

26643230 is a deficient number, since it is larger than the sum of its proper divisors (22430674).

26643230 is a wasteful number, since it uses less digits than its factorization.

26643230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62011.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 26643230 is about 5161.7080506360. The cubic root of 26643230 is about 298.6727664593.

Adding to 26643230 its reverse (3234662), we get a palindrome (29877892).

The spelling of 26643230 in words is "twenty-six million, six hundred forty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 61961 123922 309805 619610 2664323 5328646 13321615 26643230