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1393069 is a prime number
BaseRepresentation
bin101010100000110101101
32121202221011
411110012231
5324034234
645505221
714561266
oct5240655
92552834
101393069
118716a7
12572211
1339a102
1428396d
151c7b64
hex1541ad

1393069 has 2 divisors, whose sum is σ = 1393070. Its totient is φ = 1393068.

The previous prime is 1393043. The next prime is 1393079. The reversal of 1393069 is 9603931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1127844 + 265225 = 1062^2 + 515^2 .

It is an emirp because it is prime and its reverse (9603931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1393069 - 29 = 1392557 is a prime.

It is a super-2 number, since 2×13930692 = 3881282477522, which contains 22 as substring.

It is an Ulam number.

1393069 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1393069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1393019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696534 + 696535.

It is an arithmetic number, because the mean of its divisors is an integer number (696535).

21393069 is an apocalyptic number.

It is an amenable number.

1393069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1393069 is an equidigital number, since it uses as much as digits as its factorization.

1393069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 1393069 is about 1180.2834405345. The cubic root of 1393069 is about 111.6839784056.

The spelling of 1393069 in words is "one million, three hundred ninety-three thousand, sixty-nine".