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11552238 = 232641791
BaseRepresentation
bin101100000100…
…010111101110
3210201220200200
4230010113232
510424132423
61051334330
7200122665
oct54042756
923656620
1011552238
116580405
123a513a6
132516259
141769ddc
151032d43
hexb045ee

11552238 has 12 divisors (see below), whose sum is σ = 25029888. Its totient is φ = 3850740.

The previous prime is 11552227. The next prime is 11552263. The reversal of 11552238 is 83225511.

It is a happy number.

11552238 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 320878 + ... + 320913.

It is an arithmetic number, because the mean of its divisors is an integer number (2085824).

Almost surely, 211552238 is an apocalyptic number.

11552238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11552238 is an abundant number, since it is smaller than the sum of its proper divisors (13477650).

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

11552238 is a wasteful number, since it uses less digits than its factorization.

11552238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641799 (or 641796 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 11552238 is about 3398.8583377364. The cubic root of 11552238 is about 226.0591251576.

Adding to 11552238 its reverse (83225511), we get a palindrome (94777749).

The spelling of 11552238 in words is "eleven million, five hundred fifty-two thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 9 18 641791 1283582 1925373 3850746 5776119 11552238