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13828933 is a prime number
BaseRepresentation
bin110100110000…
…001101000101
3222000120201201
4310300031011
512020011213
61212222501
7225354406
oct64601505
928016651
1013828933
117895978
12476aa31
132b32601
141b9d9ad
1513326dd
hexd30345

13828933 has 2 divisors, whose sum is σ = 13828934. Its totient is φ = 13828932.

The previous prime is 13828921. The next prime is 13828937. The reversal of 13828933 is 33982831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11512449 + 2316484 = 3393^2 + 1522^2 .

It is an emirp because it is prime and its reverse (33982831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13828933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13828892 and 13828901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13828937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6914466 + 6914467.

It is an arithmetic number, because the mean of its divisors is an integer number (6914467).

Almost surely, 213828933 is an apocalyptic number.

It is an amenable number.

13828933 is a deficient number, since it is larger than the sum of its proper divisors (1).

13828933 is an equidigital number, since it uses as much as digits as its factorization.

13828933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 13828933 is about 3718.7273360654. The cubic root of 13828933 is about 240.0285440587.

The spelling of 13828933 in words is "thirteen million, eight hundred twenty-eight thousand, nine hundred thirty-three".