Search a number
-
+
13343141 = 72307887
BaseRepresentation
bin110010111001…
…100110100101
3221002220100102
4302321212211
511403440031
61153553445
7221262200
oct62714645
927086312
1013343141
117593999
124575885
1329c2466
141ab4937
1512887cb
hexcb99a5

13343141 has 12 divisors (see below), whose sum is σ = 15589728. Its totient is φ = 11386872.

The previous prime is 13343137. The next prime is 13343173. The reversal of 13343141 is 14134331.

It is not a de Polignac number, because 13343141 - 22 = 13343137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13343041) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 14600 + ... + 15486.

It is an arithmetic number, because the mean of its divisors is an integer number (1299144).

Almost surely, 213343141 is an apocalyptic number.

It is an amenable number.

13343141 is a deficient number, since it is larger than the sum of its proper divisors (2246587).

13343141 is an equidigital number, since it uses as much as digits as its factorization.

13343141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208 (or 1201 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 13343141 is about 3652.8264398956. The cubic root of 13343141 is about 237.1843474225.

Adding to 13343141 its reverse (14134331), we get a palindrome (27477472).

The spelling of 13343141 in words is "thirteen million, three hundred forty-three thousand, one hundred forty-one".

Divisors: 1 7 49 307 887 2149 6209 15043 43463 272309 1906163 13343141