Search a number
-
+
13404045 = 35893603
BaseRepresentation
bin110011001000…
…011110001101
3221012222220010
4303020132031
511412412140
61155143433
7221634564
oct63103615
927188803
1013404045
117625726
1245a4b79
132a140b5
141accbdb
15129b880
hexcc878d

13404045 has 8 divisors (see below), whose sum is σ = 21446496. Its totient is φ = 7148816.

The previous prime is 13404029. The next prime is 13404047. The reversal of 13404045 is 54040431.

13404045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13404045 - 24 = 13404029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13404047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446787 + ... + 446816.

It is an arithmetic number, because the mean of its divisors is an integer number (2680812).

Almost surely, 213404045 is an apocalyptic number.

13404045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13404045 is a deficient number, since it is larger than the sum of its proper divisors (8042451).

13404045 is an equidigital number, since it uses as much as digits as its factorization.

13404045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893611.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 13404045 is about 3661.1535067517. The cubic root of 13404045 is about 237.5446711910.

Adding to 13404045 its reverse (54040431), we get a palindrome (67444476).

The spelling of 13404045 in words is "thirteen million, four hundred four thousand, forty-five".

Divisors: 1 3 5 15 893603 2680809 4468015 13404045