Search a number
-
+
11313988 = 227439397
BaseRepresentation
bin101011001010…
…001101000100
3210021210212121
4223022031010
510344021423
61042255324
7165111250
oct53121504
923253777
1011313988
116428404
123957544
13246198a
141707260
15ed745d
hexaca344

11313988 has 24 divisors (see below), whose sum is σ = 23156672. Its totient is φ = 4735584.

The previous prime is 11313961. The next prime is 11313989. The reversal of 11313988 is 88931311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11313989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3495 + ... + 5902.

Almost surely, 211313988 is an apocalyptic number.

It is an amenable number.

11313988 is an abundant number, since it is smaller than the sum of its proper divisors (11842684).

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

11313988 is a wasteful number, since it uses less digits than its factorization.

11313988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9451 (or 9449 counting only the distinct ones).

The product of its digits is 5184, while the sum is 34.

The square root of 11313988 is about 3363.6272088328. The cubic root of 11313988 is about 224.4942583142.

The spelling of 11313988 in words is "eleven million, three hundred thirteen thousand, nine hundred eighty-eight".

Divisors: 1 2 4 7 14 28 43 86 172 301 602 1204 9397 18794 37588 65779 131558 263116 404071 808142 1616284 2828497 5656994 11313988