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13423853 is a prime number
BaseRepresentation
bin110011001101…
…010011101101
3221021000001202
4303031103231
511414030403
61155415245
7222046412
oct63152355
927230052
1013423853
1176395a3
1245b4525
132a20111
141ad6109
1512a2688
hexccd4ed

13423853 has 2 divisors, whose sum is σ = 13423854. Its totient is φ = 13423852.

The previous prime is 13423847. The next prime is 13423867. The reversal of 13423853 is 35832431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7382089 + 6041764 = 2717^2 + 2458^2 .

It is an emirp because it is prime and its reverse (35832431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13423853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13423873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6711926 + 6711927.

It is an arithmetic number, because the mean of its divisors is an integer number (6711927).

Almost surely, 213423853 is an apocalyptic number.

It is an amenable number.

13423853 is a deficient number, since it is larger than the sum of its proper divisors (1).

13423853 is an equidigital number, since it uses as much as digits as its factorization.

13423853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 13423853 is about 3663.8576664494. The cubic root of 13423853 is about 237.6616251648.

The spelling of 13423853 in words is "thirteen million, four hundred twenty-three thousand, eight hundred fifty-three".