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2657293 is a prime number
BaseRepresentation
bin1010001000110000001101
312000000010021
422020300031
51140013133
6132542141
731405132
oct12106015
95000107
102657293
111555511
12a81951
13720682
144d2589
1537752d
hex288c0d

2657293 has 2 divisors, whose sum is σ = 2657294. Its totient is φ = 2657292.

The previous prime is 2657279. The next prime is 2657309. The reversal of 2657293 is 3927562.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2022084 + 635209 = 1422^2 + 797^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2657293 is a prime.

It is a super-2 number, since 2×26572932 = 14122412175698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2657203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328646 + 1328647.

It is an arithmetic number, because the mean of its divisors is an integer number (1328647).

22657293 is an apocalyptic number.

It is an amenable number.

2657293 is a deficient number, since it is larger than the sum of its proper divisors (1).

2657293 is an equidigital number, since it uses as much as digits as its factorization.

2657293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 2657293 is about 1630.1205476896. The cubic root of 2657293 is about 138.5095806776.

The spelling of 2657293 in words is "two million, six hundred fifty-seven thousand, two hundred ninety-three".