Search a number
-
+
13443106 = 26721553
BaseRepresentation
bin110011010010…
…000000100010
3221021222110211
4303102000202
511420134411
61200044334
7222156505
oct63220042
927258424
1013443106
117652006
1246036aa
132a28b01
141add13c
1512a8221
hexcd2022

13443106 has 4 divisors (see below), whose sum is σ = 20164662. Its totient is φ = 6721552.

The previous prime is 13443103. The next prime is 13443113. The reversal of 13443106 is 60134431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60134431 = 78590633.

It can be written as a sum of positive squares in only one way, i.e., 9054081 + 4389025 = 3009^2 + 2095^2 .

It is not an unprimeable number, because it can be changed into a prime (13443103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3360775 + ... + 3360778.

Almost surely, 213443106 is an apocalyptic number.

13443106 is a deficient number, since it is larger than the sum of its proper divisors (6721556).

13443106 is an equidigital number, since it uses as much as digits as its factorization.

13443106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6721555.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 13443106 is about 3666.4841469724. The cubic root of 13443106 is about 237.7751919990.

Adding to 13443106 its reverse (60134431), we get a palindrome (73577537).

The spelling of 13443106 in words is "thirteen million, four hundred forty-three thousand, one hundred six".

Divisors: 1 2 6721553 13443106