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254130797 = 716135839
BaseRepresentation
bin11110010010110…
…11101001101101
3122201012011220202
433021123221231
51010024141142
641114523245
76204035054
oct1711335155
9581164822
10254130797
111204a5258
1271136525
134085a96b
1425a7339b
151749d032
hexf25ba6d

254130797 has 8 divisors (see below), whose sum is σ = 258174720. Its totient is φ = 250099920.

The previous prime is 254130791. The next prime is 254130803. The reversal of 254130797 is 797031452.

It is an interprime number because it is at equal distance from previous prime (254130791) and next prime (254130803).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 254130797 - 222 = 249936493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 254130797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254130791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40604 + ... + 46442.

It is an arithmetic number, because the mean of its divisors is an integer number (32271840).

Almost surely, 2254130797 is an apocalyptic number.

It is an amenable number.

254130797 is a deficient number, since it is larger than the sum of its proper divisors (4043923).

254130797 is an equidigital number, since it uses as much as digits as its factorization.

254130797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6523.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 254130797 is about 15941.4803892236. The cubic root of 254130797 is about 633.4112406162.

The spelling of 254130797 in words is "two hundred fifty-four million, one hundred thirty thousand, seven hundred ninety-seven".

Divisors: 1 71 613 5839 43523 414569 3579307 254130797