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16390413 = 3213314519
BaseRepresentation
bin111110100001…
…100100001101
31010211201102100
4332201210031
513143443123
61343145313
7256213314
oct76414415
933751370
1016390413
1192853a6
1255a5239
13351b490
14226927b
15168b643
hexfa190d

16390413 has 24 divisors (see below), whose sum is σ = 26324480. Its totient is φ = 9758880.

The previous prime is 16390403. The next prime is 16390417. The reversal of 16390413 is 31409361.

16390413 is a `hidden beast` number, since 163 + 90 + 413 = 666.

16390413 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16390413 - 216 = 16324877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16390417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1368 + ... + 5886.

Almost surely, 216390413 is an apocalyptic number.

16390413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16390413 is a deficient number, since it is larger than the sum of its proper divisors (9934067).

16390413 is a wasteful number, since it uses less digits than its factorization.

16390413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4569 (or 4566 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 16390413 is about 4048.5075027719. The cubic root of 16390413 is about 254.0173020227.

Adding to 16390413 its reverse (31409361), we get a palindrome (47799774).

The spelling of 16390413 in words is "sixteen million, three hundred ninety thousand, four hundred thirteen".

Divisors: 1 3 9 13 31 39 93 117 279 403 1209 3627 4519 13557 40671 58747 140089 176241 420267 528723 1260801 1821157 5463471 16390413