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23260256 = 251967571
BaseRepresentation
bin101100010111…
…0110001100000
31121202202001222
41120232301200
521423312011
62150314212
7401465105
oct130566140
947682058
1023260256
1112147858
127958968
134a85386
143136aac
152096ddb
hex162ec60

23260256 has 48 divisors (see below), whose sum is σ = 49008960. Its totient is φ = 10834560.

The previous prime is 23260247. The next prime is 23260277. The reversal of 23260256 is 65206232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40451 + ... + 41021.

It is an arithmetic number, because the mean of its divisors is an integer number (1021020).

Almost surely, 223260256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23260256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24504480).

23260256 is an abundant number, since it is smaller than the sum of its proper divisors (25748704).

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

23260256 is a wasteful number, since it uses less digits than its factorization.

23260256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 23260256 is about 4822.8887608984. Note that the first 3 decimals coincide. The cubic root of 23260256 is about 285.4553345187.

Adding to 23260256 its reverse (65206232), we get a palindrome (88466488).

The spelling of 23260256 in words is "twenty-three million, two hundred sixty thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 19 32 38 67 76 134 152 268 304 536 571 608 1072 1142 1273 2144 2284 2546 4568 5092 9136 10184 10849 18272 20368 21698 38257 40736 43396 76514 86792 153028 173584 306056 347168 612112 726883 1224224 1453766 2907532 5815064 11630128 23260256