Search a number
-
+
13401415 = 52680283
BaseRepresentation
bin110011000111…
…110101000111
3221012212021201
4303013311013
511412321130
61155123331
7221624116
oct63076507
927185251
1013401415
117623755
1245a3547
132a12b41
141acbc7d
15129abca
hexcc7d47

13401415 has 4 divisors (see below), whose sum is σ = 16081704. Its totient is φ = 10721128.

The previous prime is 13401397. The next prime is 13401467. The reversal of 13401415 is 51410431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13401415 - 29 = 13400903 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13401392 and 13401401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340137 + ... + 1340146.

It is an arithmetic number, because the mean of its divisors is an integer number (4020426).

Almost surely, 213401415 is an apocalyptic number.

13401415 is a deficient number, since it is larger than the sum of its proper divisors (2680289).

13401415 is an equidigital number, since it uses as much as digits as its factorization.

13401415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680288.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 13401415 is about 3660.7943127141. The cubic root of 13401415 is about 237.5291340068.

Adding to 13401415 its reverse (51410431), we get a palindrome (64811846).

The spelling of 13401415 in words is "thirteen million, four hundred one thousand, four hundred fifteen".

Divisors: 1 5 2680283 13401415