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11230444 = 2219147769
BaseRepresentation
bin101010110101…
…110011101100
3210010120021101
4222311303230
510333333234
61040412444
7164312551
oct52656354
923116241
1011230444
116380665
123917124
132432944
1416c4a28
15ebc814
hexab5cec

11230444 has 12 divisors (see below), whose sum is σ = 20687800. Its totient is φ = 5319648.

The previous prime is 11230441. The next prime is 11230447. The reversal of 11230444 is 44403211.

It is an interprime number because it is at equal distance from previous prime (11230441) and next prime (11230447).

It is a super-2 number, since 2×112304442 = 252245744874272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73809 + ... + 73960.

Almost surely, 211230444 is an apocalyptic number.

It is an amenable number.

11230444 is a deficient number, since it is larger than the sum of its proper divisors (9457356).

11230444 is a wasteful number, since it uses less digits than its factorization.

11230444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147792 (or 147790 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 11230444 is about 3351.1854618926. The cubic root of 11230444 is about 223.9403274297.

Adding to 11230444 its reverse (44403211), we get a palindrome (55633655).

The spelling of 11230444 in words is "eleven million, two hundred thirty thousand, four hundred forty-four".

Divisors: 1 2 4 19 38 76 147769 295538 591076 2807611 5615222 11230444