Search a number
-
+
13988875 = 531729227
BaseRepresentation
bin110101010111…
…010000001011
3222022201010111
4311113100023
512040121000
61215455151
7226621615
oct65272013
928281114
1013988875
11799505a
1248274b7
132b8a354
141c01db5
151364cba
hexd5740b

13988875 has 32 divisors (see below), whose sum is σ = 19206720. Its totient is φ = 10124800.

The previous prime is 13988869. The next prime is 13988911. The reversal of 13988875 is 57888931.

13988875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13988875 - 213 = 13980683 is a prime.

Its product of digits (483840) is a multiple of the sum of its prime factors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61512 + ... + 61738.

It is an arithmetic number, because the mean of its divisors is an integer number (600210).

Almost surely, 213988875 is an apocalyptic number.

13988875 is a deficient number, since it is larger than the sum of its proper divisors (5217845).

13988875 is a wasteful number, since it uses less digits than its factorization.

13988875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 278 counting only the distinct ones).

The product of its digits is 483840, while the sum is 49.

The square root of 13988875 is about 3740.1704506613. The cubic root of 13988875 is about 240.9503694222.

The spelling of 13988875 in words is "thirteen million, nine hundred eighty-eight thousand, eight hundred seventy-five".

Divisors: 1 5 17 25 29 85 125 145 227 425 493 725 1135 2125 2465 3625 3859 5675 6583 12325 19295 28375 32915 61625 96475 111911 164575 482375 559555 822875 2797775 13988875