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11230551 = 3210391201
BaseRepresentation
bin101010110101…
…110101010111
3210010120102100
4222311311113
510333334201
61040413143
7164313063
oct52656527
923116370
1011230551
116380752
1239171b3
1324329c7
1416c4aa3
15ebc886
hexab5d57

11230551 has 12 divisors (see below), whose sum is σ = 16251040. Its totient is φ = 7473600.

The previous prime is 11230543. The next prime is 11230553. The reversal of 11230551 is 15503211.

11230551 is a `hidden beast` number, since 112 + 3 + 0 + 551 = 666.

It is not a de Polignac number, because 11230551 - 23 = 11230543 is a prime.

It is a super-2 number, since 2×112305512 = 252250551527202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8751 + ... + 9951.

Almost surely, 211230551 is an apocalyptic number.

11230551 is a deficient number, since it is larger than the sum of its proper divisors (5020489).

11230551 is a wasteful number, since it uses less digits than its factorization.

11230551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246 (or 2243 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 11230551 is about 3351.2014263544. The cubic root of 11230551 is about 223.9410386376.

Adding to 11230551 its reverse (15503211), we get a palindrome (26733762).

It can be divided in two parts, 11230 and 551, that added together give a triangular number (11781 = T153).

The spelling of 11230551 in words is "eleven million, two hundred thirty thousand, five hundred fifty-one".

Divisors: 1 3 9 1039 1201 3117 3603 9351 10809 1247839 3743517 11230551