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6157397 is a prime number
BaseRepresentation
bin10111011111010001010101
3102120211100202
4113133101111
53034014042
6335550245
7103223411
oct27372125
912524322
106157397
113526164
12208b385
13137783c
14b63d41
15819632
hex5df455

6157397 has 2 divisors, whose sum is σ = 6157398. Its totient is φ = 6157396.

The previous prime is 6157369. The next prime is 6157427. The reversal of 6157397 is 7937516.

6157397 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5958481 + 198916 = 2441^2 + 446^2 .

It is a cyclic number.

It is not a de Polignac number, because 6157397 - 210 = 6156373 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6157397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6157337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3078698 + 3078699.

It is an arithmetic number, because the mean of its divisors is an integer number (3078699).

Almost surely, 26157397 is an apocalyptic number.

It is an amenable number.

6157397 is a deficient number, since it is larger than the sum of its proper divisors (1).

6157397 is an equidigital number, since it uses as much as digits as its factorization.

6157397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39690, while the sum is 38.

The square root of 6157397 is about 2481.4102844955. The cubic root of 6157397 is about 183.2873048820.

The spelling of 6157397 in words is "six million, one hundred fifty-seven thousand, three hundred ninety-seven".