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11225871 = 382959
BaseRepresentation
bin101010110100…
…101100001111
3210010100000000
4222310230033
510333211441
61040335343
7164263326
oct52645417
923110000
1011225871
116378188
123914553
132430837
1416c30bd
15ebb2b6
hexab4b0f

11225871 has 36 divisors (see below), whose sum is σ = 17713800. Its totient is φ = 7103376.

The previous prime is 11225857. The next prime is 11225873. The reversal of 11225871 is 17852211.

It is not a de Polignac number, because 11225871 - 25 = 11225839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

11225871 is a Rhonda number in base 10.

Its product of digits (1120) is a multiple of the sum of its prime factors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11225873) 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 35 ways as a sum of consecutive naturals, for example, 190240 + ... + 190298.

It is an arithmetic number, because the mean of its divisors is an integer number (492050).

Almost surely, 211225871 is an apocalyptic number.

11225871 is a deficient number, since it is larger than the sum of its proper divisors (6487929).

11225871 is an frugal number, since it uses more digits than its factorization.

11225871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 91 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 11225871 is about 3350.5030965513. The cubic root of 11225871 is about 223.9099273806.

The spelling of 11225871 in words is "eleven million, two hundred twenty-five thousand, eight hundred seventy-one".