Search a number
-
+
13388350 = 2521719829
BaseRepresentation
bin110011000100…
…101000111110
3221012012100211
4303010220332
511411411400
61154543034
7221541043
oct63045076
927165324
1013388350
117614958
124597a7a
132a09c01
141ac71ca
151296dba
hexcc4a3e

13388350 has 48 divisors (see below), whose sum is σ = 27788400. Its totient is φ = 4769280.

The previous prime is 13388329. The next prime is 13388357. The reversal of 13388350 is 5388331.

13388350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13388357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15736 + ... + 16564.

It is an arithmetic number, because the mean of its divisors is an integer number (578925).

Almost surely, 213388350 is an apocalyptic number.

13388350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13388350 is an abundant number, since it is smaller than the sum of its proper divisors (14400050).

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

13388350 is a wasteful number, since it uses less digits than its factorization.

13388350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 13388350 is about 3659.0094287935. The cubic root of 13388350 is about 237.4519200918.

The spelling of 13388350 in words is "thirteen million, three hundred eighty-eight thousand, three hundred fifty".

Divisors: 1 2 5 10 17 19 25 34 38 50 85 95 170 190 323 425 475 646 829 850 950 1615 1658 3230 4145 8075 8290 14093 15751 16150 20725 28186 31502 41450 70465 78755 140930 157510 267767 352325 393775 535534 704650 787550 1338835 2677670 6694175 13388350