Search a number
-
+
11291925 = 352150559
BaseRepresentation
bin101011000100…
…110100010101
3210020200121110
4223010310111
510342320200
61042005233
7164660031
oct53046425
923220543
1011291925
116412877
123946819
132454918
1416dd1c1
15ed0b50
hexac4d15

11291925 has 12 divisors (see below), whose sum is σ = 18669440. Its totient is φ = 6022320.

The previous prime is 11291923. The next prime is 11291939. The reversal of 11291925 is 52919211.

It is not a de Polignac number, because 11291925 - 21 = 11291923 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11291892 and 11291901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11291921) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 75205 + ... + 75354.

Almost surely, 211291925 is an apocalyptic number.

11291925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11291925 is a deficient number, since it is larger than the sum of its proper divisors (7377515).

11291925 is a wasteful number, since it uses less digits than its factorization.

11291925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150572 (or 150567 counting only the distinct ones).

The product of its digits is 1620, while the sum is 30.

The square root of 11291925 is about 3360.3459643316. The cubic root of 11291925 is about 224.3482373037.

The spelling of 11291925 in words is "eleven million, two hundred ninety-one thousand, nine hundred twenty-five".

Divisors: 1 3 5 15 25 75 150559 451677 752795 2258385 3763975 11291925