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11913486 = 2313231379
BaseRepresentation
bin101101011100…
…100100001110
3211102021020020
4231130210032
511022212421
61103203010
7203156124
oct55344416
924367206
1011913486
1167a7862
123ba6466
132611800
141821914
1510a4dc6
hexb5c90e

11913486 has 48 divisors (see below), whose sum is σ = 26703360. Its totient is φ = 3538080.

The previous prime is 11913479. The next prime is 11913491. The reversal of 11913486 is 68431911.

11913486 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 super-2 number, since 2×119134862 = 283862297344392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31245 + ... + 31623.

It is an arithmetic number, because the mean of its divisors is an integer number (556320).

Almost surely, 211913486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11913486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13351680).

11913486 is an abundant number, since it is smaller than the sum of its proper divisors (14789874).

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

11913486 is a wasteful number, since it uses less digits than its factorization.

11913486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 428 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 11913486 is about 3451.5918066886. The cubic root of 11913486 is about 228.3913331742.

The spelling of 11913486 in words is "eleven million, nine hundred thirteen thousand, four hundred eighty-six".

Divisors: 1 2 3 6 13 26 31 39 62 78 93 169 186 338 379 403 507 758 806 1014 1137 1209 2274 2418 4927 5239 9854 10478 11749 14781 15717 23498 29562 31434 35247 64051 70494 128102 152737 192153 305474 384306 458211 916422 1985581 3971162 5956743 11913486