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11211430 = 251121143
BaseRepresentation
bin101010110001…
…001010100110
3210002121012011
4222301022212
510332231210
61040144434
7164203246
oct52611246
923077164
1011211430
11636834a
12390811a
1324270a9
1416bbb26
15eb6d8a
hexab12a6

11211430 has 8 divisors (see below), whose sum is σ = 20180592. Its totient is φ = 4484568.

The previous prime is 11211401. The next prime is 11211437. The reversal of 11211430 is 3411211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11211430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211437) 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 3 ways as a sum of consecutive naturals, for example, 560562 + ... + 560581.

It is an arithmetic number, because the mean of its divisors is an integer number (2522574).

Almost surely, 211211430 is an apocalyptic number.

11211430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211430 is a deficient number, since it is larger than the sum of its proper divisors (8969162).

11211430 is a wasteful number, since it uses less digits than its factorization.

11211430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121150.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11211430 is about 3348.3473535462. The cubic root of 11211430 is about 223.8138733409.

Adding to 11211430 its reverse (3411211), we get a palindrome (14622641).

The spelling of 11211430 in words is "eleven million, two hundred eleven thousand, four hundred thirty".

Divisors: 1 2 5 10 1121143 2242286 5605715 11211430