[go: up one dir, main page]

Search a number
-
+
13314540 = 2235221909
BaseRepresentation
bin110010110010…
…100111101100
3221001110010010
4302302213230
511402031130
61153213220
7221112621
oct62624754
927043103
1013314540
117574458
124561210
1329b2435
141aa8348
1512800b0
hexcb29ec

13314540 has 24 divisors (see below), whose sum is σ = 37280880. Its totient is φ = 3550528.

The previous prime is 13314517. The next prime is 13314571. The reversal of 13314540 is 4541331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110895 + ... + 111014.

It is an arithmetic number, because the mean of its divisors is an integer number (1553370).

Almost surely, 213314540 is an apocalyptic number.

13314540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13314540 is an abundant number, since it is smaller than the sum of its proper divisors (23966340).

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

13314540 is a wasteful number, since it uses less digits than its factorization.

13314540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221921 (or 221919 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13314540 is about 3648.9094261162. The cubic root of 13314540 is about 237.0147581118.

Adding to 13314540 its reverse (4541331), we get a palindrome (17855871).

The spelling of 13314540 in words is "thirteen million, three hundred fourteen thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 221909 443818 665727 887636 1109545 1331454 2219090 2662908 3328635 4438180 6657270 13314540