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11212330 = 254432531
BaseRepresentation
bin101010110001…
…011000101010
3210002122102111
4222301120222
510332243310
61040152534
7164206003
oct52613052
923078374
1011212330
116368a98
12390874a
13242761c
1416bc1aa
15eb728a
hexab162a

11212330 has 16 divisors (see below), whose sum is σ = 20235744. Its totient is φ = 4473040.

The previous prime is 11212321. The next prime is 11212343. The reversal of 11212330 is 3321211.

It is a self number, because there is not a number n which added to its sum of digits gives 11212330.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3165 + ... + 5695.

It is an arithmetic number, because the mean of its divisors is an integer number (1264734).

Almost surely, 211212330 is an apocalyptic number.

11212330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212330 is a deficient number, since it is larger than the sum of its proper divisors (9023414).

11212330 is a wasteful number, since it uses less digits than its factorization.

11212330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 11212330 is about 3348.4817455080. The cubic root of 11212330 is about 223.8198620833.

Adding to 11212330 its reverse (3321211), we get a palindrome (14533541).

The spelling of 11212330 in words is "eleven million, two hundred twelve thousand, three hundred thirty".

Divisors: 1 2 5 10 443 886 2215 2531 4430 5062 12655 25310 1121233 2242466 5606165 11212330