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11215330 = 257533023
BaseRepresentation
bin101010110010…
…000111100010
3210002210112121
4222302013202
510332342310
61040214454
7164220520
oct52620742
923083477
1011215330
116370275
12390a42a
132428ab9
1416bd310
15eb80da
hexab21e2

11215330 has 32 divisors (see below), whose sum is σ = 23514624. Its totient is φ = 3771456.

The previous prime is 11215327. The next prime is 11215349. The reversal of 11215330 is 3351211.

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 15 ways as a sum of consecutive naturals, for example, 2199 + ... + 5221.

It is an arithmetic number, because the mean of its divisors is an integer number (734832).

Almost surely, 211215330 is an apocalyptic number.

11215330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11215330 is an abundant number, since it is smaller than the sum of its proper divisors (12299294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11215330 is a wasteful number, since it uses less digits than its factorization.

11215330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3090.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 11215330 is about 3348.9296797634. The cubic root of 11215330 is about 223.8398222435.

Adding to 11215330 its reverse (3351211), we get a palindrome (14566541).

The spelling of 11215330 in words is "eleven million, two hundred fifteen thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 53 70 106 265 371 530 742 1855 3023 3710 6046 15115 21161 30230 42322 105805 160219 211610 320438 801095 1121533 1602190 2243066 5607665 11215330