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11623380 = 2235193723
BaseRepresentation
bin101100010101…
…101111010100
3210212112021120
4230111233110
510433422010
61053043540
7200540256
oct54255724
923775246
1011623380
1166198aa
123a865b0
13253c752
141787cd6
151048e70
hexb15bd4

11623380 has 24 divisors (see below), whose sum is σ = 32545632. Its totient is φ = 3099552.

The previous prime is 11623379. The next prime is 11623387. The reversal of 11623380 is 8332611.

It is a self number, because there is not a number n which added to its sum of digits gives 11623380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11623387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96802 + ... + 96921.

It is an arithmetic number, because the mean of its divisors is an integer number (1356068).

Almost surely, 211623380 is an apocalyptic number.

11623380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11623380 is an abundant number, since it is smaller than the sum of its proper divisors (20922252).

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

11623380 is a wasteful number, since it uses less digits than its factorization.

11623380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193735 (or 193733 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 11623380 is about 3409.3078476430. The cubic root of 11623380 is about 226.5222215040.

Adding to 11623380 its reverse (8332611), we get a palindrome (19955991).

The spelling of 11623380 in words is "eleven million, six hundred twenty-three thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 193723 387446 581169 774892 968615 1162338 1937230 2324676 2905845 3874460 5811690 11623380