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11245257 = 33416491
BaseRepresentation
bin101010111001…
…011011001001
3210011022121000
4222321123021
510334322012
61041005213
7164404002
oct52713311
923138530
1011245257
116390801
123923809
1324395ca
1416ca1a9
15ec1ddc
hexab96c9

11245257 has 8 divisors (see below), whose sum is σ = 16659680. Its totient is φ = 7496820.

The previous prime is 11245187. The next prime is 11245259. The reversal of 11245257 is 75254211.

It is not a de Polignac number, because 11245257 - 28 = 11245001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 416491 = 11245257 / (1 + 1 + 2 + 4 + 5 + 2 + 5 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11245257.

It is not an unprimeable number, because it can be changed into a prime (11245259) by changing a digit.

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, 208219 + ... + 208272.

It is an arithmetic number, because the mean of its divisors is an integer number (2082460).

Almost surely, 211245257 is an apocalyptic number.

It is an amenable number.

11245257 is a deficient number, since it is larger than the sum of its proper divisors (5414423).

11245257 is an equidigital number, since it uses as much as digits as its factorization.

11245257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416500 (or 416494 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 11245257 is about 3353.3948470170. The cubic root of 11245257 is about 224.0387435642.

Adding to 11245257 its reverse (75254211), we get a palindrome (86499468).

It can be divided in two parts, 112 and 45257, that added together give a square (45369 = 2132).

The spelling of 11245257 in words is "eleven million, two hundred forty-five thousand, two hundred fifty-seven".

Divisors: 1 3 9 27 416491 1249473 3748419 11245257