Search a number
-
+
13750256 = 241366107
BaseRepresentation
bin110100011100…
…111111110000
3221212120210202
4310130333300
512010002011
61210414332
7224606132
oct64347760
927776722
1013750256
117841853
1247313a8
132b05860
141b7d052
15131923b
hexd1cff0

13750256 has 20 divisors (see below), whose sum is σ = 28690872. Its totient is φ = 6346176.

The previous prime is 13750201. The next prime is 13750259. The reversal of 13750256 is 65205731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13750259) 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, 32846 + ... + 33261.

Almost surely, 213750256 is an apocalyptic number.

13750256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13750256 is an abundant number, since it is smaller than the sum of its proper divisors (14940616).

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

13750256 is a wasteful number, since it uses less digits than its factorization.

13750256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66128 (or 66122 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 13750256 is about 3708.1337624201. The cubic root of 13750256 is about 239.5724796360.

Adding to 13750256 its reverse (65205731), we get a palindrome (78955987).

The spelling of 13750256 in words is "thirteen million, seven hundred fifty thousand, two hundred fifty-six".

Divisors: 1 2 4 8 13 16 26 52 104 208 66107 132214 264428 528856 859391 1057712 1718782 3437564 6875128 13750256