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11552380 = 22571943101
BaseRepresentation
bin101100000100…
…011001111100
3210201220212221
4230010121330
510424134010
61051335124
7200123260
oct54043174
923656787
1011552380
116580524
123a514a4
132516338
14176a0a0
151032dda
hexb0467c

11552380 has 96 divisors (see below), whose sum is σ = 30159360. Its totient is φ = 3628800.

The previous prime is 11552347. The next prime is 11552381. The reversal of 11552380 is 8325511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11552381) 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 31 ways as a sum of consecutive naturals, for example, 114330 + ... + 114430.

It is an arithmetic number, because the mean of its divisors is an integer number (314160).

Almost surely, 211552380 is an apocalyptic number.

11552380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11552380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15079680).

11552380 is an abundant number, since it is smaller than the sum of its proper divisors (18606980).

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

11552380 is a wasteful number, since it uses less digits than its factorization.

11552380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 11552380 is about 3398.8792270394. The cubic root of 11552380 is about 226.0600513927.

Adding to 11552380 its reverse (8325511), we get a palindrome (19877891).

The spelling of 11552380 in words is "eleven million, five hundred fifty-two thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 43 70 76 86 95 101 133 140 172 190 202 215 266 301 380 404 430 505 532 602 665 707 817 860 1010 1204 1330 1414 1505 1634 1919 2020 2660 2828 3010 3268 3535 3838 4085 4343 5719 6020 7070 7676 8170 8686 9595 11438 13433 14140 16340 17372 19190 21715 22876 26866 28595 30401 38380 43430 53732 57190 60802 67165 82517 86860 114380 121604 134330 152005 165034 268660 304010 330068 412585 577619 608020 825170 1155238 1650340 2310476 2888095 5776190 11552380