Search a number
-
+
13851357 = 3132937331
BaseRepresentation
bin110100110101…
…101011011101
3222001201111020
4310311223131
512021220412
61212514353
7225506652
oct64655335
928051436
1013851357
117900803
12477b9b9
132b3c890
141ba7c29
15133918c
hexd35add

13851357 has 32 divisors (see below), whose sum is σ = 21194880. Its totient is φ = 7983360.

The previous prime is 13851353. The next prime is 13851373. The reversal of 13851357 is 75315831.

13851357 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13851357 - 22 = 13851353 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13851353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41682 + ... + 42012.

It is an arithmetic number, because the mean of its divisors is an integer number (662340).

Almost surely, 213851357 is an apocalyptic number.

It is an amenable number.

13851357 is a deficient number, since it is larger than the sum of its proper divisors (7343523).

13851357 is a wasteful number, since it uses less digits than its factorization.

13851357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413.

The product of its digits is 12600, while the sum is 33.

The square root of 13851357 is about 3721.7411247963. The cubic root of 13851357 is about 240.1582116538.

The spelling of 13851357 in words is "thirteen million, eight hundred fifty-one thousand, three hundred fifty-seven".

Divisors: 1 3 13 29 37 39 87 111 331 377 481 993 1073 1131 1443 3219 4303 9599 12247 12909 13949 28797 36741 41847 124787 159211 355163 374361 477633 1065489 4617119 13851357