Search a number
-
+
13507413 = 331612381
BaseRepresentation
bin110011100001…
…101101010101
3221102020200120
4303201231111
511424214123
61201302153
7222545133
oct63415525
927366616
1013507413
117696357
124634959
132a4c16a
141b18753
1512bc2e3
hexce1b55

13507413 has 16 divisors (see below), whose sum is σ = 18903552. Its totient is φ = 8568000.

The previous prime is 13507411. The next prime is 13507427. The reversal of 13507413 is 31470531.

It is not a de Polignac number, because 13507413 - 21 = 13507411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13507411) 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 15 ways as a sum of consecutive naturals, for example, 4483 + ... + 6863.

It is an arithmetic number, because the mean of its divisors is an integer number (1181472).

Almost surely, 213507413 is an apocalyptic number.

It is an amenable number.

13507413 is a deficient number, since it is larger than the sum of its proper divisors (5396139).

13507413 is a wasteful number, since it uses less digits than its factorization.

13507413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 13507413 is about 3675.2432572552. The cubic root of 13507413 is about 238.1537327981.

Adding to 13507413 its reverse (31470531), we get a palindrome (44977944).

The spelling of 13507413 in words is "thirteen million, five hundred seven thousand, four hundred thirteen".

Divisors: 1 3 31 61 93 183 1891 2381 5673 7143 73811 145241 221433 435723 4502471 13507413