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15380941 is a prime number
BaseRepresentation
bin111010101011…
…000111001101
31001221102200111
4322223013031
512414142231
61305400021
7244510252
oct72530715
931842614
1015380941
118755a24
125199011
133256b64
142085429
15153c4b1
hexeab1cd

15380941 has 2 divisors, whose sum is σ = 15380942. Its totient is φ = 15380940.

The previous prime is 15380927. The next prime is 15380947. The reversal of 15380941 is 14908351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11594025 + 3786916 = 3405^2 + 1946^2 .

It is an emirp because it is prime and its reverse (14908351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15380941 - 29 = 15380429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15380947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7690470 + 7690471.

It is an arithmetic number, because the mean of its divisors is an integer number (7690471).

Almost surely, 215380941 is an apocalyptic number.

It is an amenable number.

15380941 is a deficient number, since it is larger than the sum of its proper divisors (1).

15380941 is an equidigital number, since it uses as much as digits as its factorization.

15380941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 15380941 is about 3921.8542808218. The cubic root of 15380941 is about 248.6915154207.

The spelling of 15380941 in words is "fifteen million, three hundred eighty thousand, nine hundred forty-one".