Search a number
-
+
253868077 is a prime number
BaseRepresentation
bin11110010000110…
…11100000101101
3122200200211112101
433020123200231
51004442234302
641105135101
76201562111
oct1710334055
9580624471
10253868077
11120335931
127102a491
13407981c8
1425a05741
151744a287
hexf21b82d

253868077 has 2 divisors, whose sum is σ = 253868078. Its totient is φ = 253868076.

The previous prime is 253868053. The next prime is 253868107. The reversal of 253868077 is 770868352.

253868077 is digitally balanced in base 2, 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., 139570596 + 114297481 = 11814^2 + 10691^2 .

It is a cyclic number.

It is not a de Polignac number, because 253868077 - 219 = 253343789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253868477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126934038 + 126934039.

It is an arithmetic number, because the mean of its divisors is an integer number (126934039).

Almost surely, 2253868077 is an apocalyptic number.

It is an amenable number.

253868077 is a deficient number, since it is larger than the sum of its proper divisors (1).

253868077 is an equidigital number, since it uses as much as digits as its factorization.

253868077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 253868077 is about 15933.2381203571. The cubic root of 253868077 is about 633.1928921898.

The spelling of 253868077 in words is "two hundred fifty-three million, eight hundred sixty-eight thousand, seventy-seven".