Search a number
-
+
13442853 = 34480951
BaseRepresentation
bin110011010001…
…111100100101
3221021222010110
4303101330211
511420132403
61200043233
7222155664
oct63217445
927258113
1013442853
1176518a6
124603519
132a28968
141adcddb
1512a8103
hexcd1f25

13442853 has 4 divisors (see below), whose sum is σ = 17923808. Its totient is φ = 8961900.

The previous prime is 13442831. The next prime is 13442857. The reversal of 13442853 is 35824431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13442853 - 222 = 9248549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13442853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13442857) 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 3 ways as a sum of consecutive naturals, for example, 2240473 + ... + 2240478.

It is an arithmetic number, because the mean of its divisors is an integer number (4480952).

Almost surely, 213442853 is an apocalyptic number.

It is an amenable number.

13442853 is a deficient number, since it is larger than the sum of its proper divisors (4480955).

13442853 is an equidigital number, since it uses as much as digits as its factorization.

13442853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480954.

The product of its digits is 11520, while the sum is 30.

The square root of 13442853 is about 3666.4496450926. The cubic root of 13442853 is about 237.7737003422.

The spelling of 13442853 in words is "thirteen million, four hundred forty-two thousand, eight hundred fifty-three".

Divisors: 1 3 4480951 13442853