Search a number
-
+
13404046 = 243155861
BaseRepresentation
bin110011001000…
…011110001110
3221012222220011
4303020132032
511412412141
61155143434
7221634565
oct63103616
927188804
1013404046
117625727
1245a4b7a
132a140b6
141accbdc
15129b881
hexcc878e

13404046 has 8 divisors (see below), whose sum is σ = 20573784. Its totient is φ = 6546120.

The previous prime is 13404029. The next prime is 13404047. The reversal of 13404046 is 64040431.

It is a happy number.

13404046 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 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 3 ways as a sum of consecutive naturals, for example, 77845 + ... + 78016.

It is an arithmetic number, because the mean of its divisors is an integer number (2571723).

Almost surely, 213404046 is an apocalyptic number.

13404046 is a deficient number, since it is larger than the sum of its proper divisors (7169738).

13404046 is a wasteful number, since it uses less digits than its factorization.

13404046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155906.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 13404046 is about 3661.1536433206. The cubic root of 13404046 is about 237.5446770983.

Adding to 13404046 its reverse (64040431), we get a palindrome (77444477).

The spelling of 13404046 in words is "thirteen million, four hundred four thousand, forty-six".

Divisors: 1 2 43 86 155861 311722 6702023 13404046