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11255148 = 2232312643
BaseRepresentation
bin101010111011…
…110101101100
3210011211011100
4222323311230
510340131043
61041123100
7164444562
oct52736554
923154140
1011255148
116398183
123929490
132440c68
1416cda32
15ec4cd3
hexabbd6c

11255148 has 18 divisors (see below), whose sum is σ = 28450604. Its totient is φ = 3751704.

The previous prime is 11255131. The next prime is 11255149. The reversal of 11255148 is 84155211.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (11255149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156286 + ... + 156357.

Almost surely, 211255148 is an apocalyptic number.

11255148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11255148 is an abundant number, since it is smaller than the sum of its proper divisors (17195456).

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

11255148 is a wasteful number, since it uses less digits than its factorization.

11255148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312653 (or 312648 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

The square root of 11255148 is about 3354.8692970070. The cubic root of 11255148 is about 224.1044102961.

The spelling of 11255148 in words is "eleven million, two hundred fifty-five thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 312643 625286 937929 1250572 1875858 2813787 3751716 5627574 11255148