Search a number
-
+
13143308 = 223285827
BaseRepresentation
bin110010001000…
…110100001100
3220201202020012
4302020310030
511331041213
61145412352
7216500453
oct62106414
926652205
1013143308
117467842
12449a0b8
132952509
141a61b9a
1512494a8
hexc88d0c

13143308 has 6 divisors (see below), whose sum is σ = 23000796. Its totient is φ = 6571652.

The previous prime is 13143301. The next prime is 13143313. The reversal of 13143308 is 80334131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13143301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1642910 + ... + 1642917.

It is an arithmetic number, because the mean of its divisors is an integer number (3833466).

Almost surely, 213143308 is an apocalyptic number.

It is an amenable number.

13143308 is a deficient number, since it is larger than the sum of its proper divisors (9857488).

13143308 is a wasteful number, since it uses less digits than its factorization.

13143308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285831 (or 3285829 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 13143308 is about 3625.3700500776. The cubic root of 13143308 is about 235.9943262066.

Adding to 13143308 its reverse (80334131), we get a palindrome (93477439).

The spelling of 13143308 in words is "thirteen million, one hundred forty-three thousand, three hundred eight".

Divisors: 1 2 4 3285827 6571654 13143308