Search a number
-
+
11920245 = 354318481
BaseRepresentation
bin101101011110…
…001101110101
3211102121111120
4231132031311
511022421440
61103254153
7203214621
oct55361565
924377446
1011920245
116801947
123baa359
1326148cc
141824181
1510a6dd0
hexb5e375

11920245 has 16 divisors (see below), whose sum is σ = 19516992. Its totient is φ = 6209280.

The previous prime is 11920229. The next prime is 11920289. The reversal of 11920245 is 54202911.

It is not a de Polignac number, because 11920245 - 24 = 11920229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8596 + ... + 9885.

It is an arithmetic number, because the mean of its divisors is an integer number (1219812).

Almost surely, 211920245 is an apocalyptic number.

11920245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11920245 is a deficient number, since it is larger than the sum of its proper divisors (7596747).

11920245 is a wasteful number, since it uses less digits than its factorization.

11920245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18532.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 11920245 is about 3452.5707813164. The cubic root of 11920245 is about 228.4345168731.

The spelling of 11920245 in words is "eleven million, nine hundred twenty thousand, two hundred forty-five".

Divisors: 1 3 5 15 43 129 215 645 18481 55443 92405 277215 794683 2384049 3973415 11920245