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213223413 = 3132676277
BaseRepresentation
bin11001011010110…
…00011111110101
3112212012212112110
430231120133311
5414041122123
633054041233
75166240414
oct1455303765
9485185473
10213223413
11aa3a49a7
125b4a9219
1335237100
142046547b
1513abc493
hexcb587f5

213223413 has 24 divisors (see below), whose sum is σ = 312493728. Its totient is φ = 129235392.

The previous prime is 213223403. The next prime is 213223421. The reversal of 213223413 is 314322312.

It is not a de Polignac number, because 213223413 - 225 = 179668981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213223413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213223403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30831 + ... + 37107.

It is an arithmetic number, because the mean of its divisors is an integer number (13020572).

Almost surely, 2213223413 is an apocalyptic number.

It is an amenable number.

213223413 is a deficient number, since it is larger than the sum of its proper divisors (99270315).

213223413 is a wasteful number, since it uses less digits than its factorization.

213223413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6373 (or 6360 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 213223413 is about 14602.1715165930. The cubic root of 213223413 is about 597.4179907635.

Adding to 213223413 its reverse (314322312), we get a palindrome (527545725).

The spelling of 213223413 in words is "two hundred thirteen million, two hundred twenty-three thousand, four hundred thirteen".

Divisors: 1 3 13 39 67 169 201 507 871 2613 6277 11323 18831 33969 81601 244803 420559 1060813 1261677 3182439 5467267 16401801 71074471 213223413