Search a number
-
+
253677841 is a prime number
BaseRepresentation
bin11110001111011…
…01000100010001
3122200100011120121
433013231010101
51004420142331
641101110241
76200140354
oct1707550421
9580304517
10253677841
11120215a0a
1270b58381
134072c741
142599629b
151740dc11
hexf1ed111

253677841 has 2 divisors, whose sum is σ = 253677842. Its totient is φ = 253677840.

The previous prime is 253677829. The next prime is 253677889. The reversal of 253677841 is 148776352.

253677841 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., 155251600 + 98426241 = 12460^2 + 9921^2 .

It is a cyclic number.

It is not a de Polignac number, because 253677841 - 27 = 253677713 is a prime.

It is not a weakly prime, because it can be changed into another prime (253677821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126838920 + 126838921.

It is an arithmetic number, because the mean of its divisors is an integer number (126838921).

Almost surely, 2253677841 is an apocalyptic number.

It is an amenable number.

253677841 is a deficient number, since it is larger than the sum of its proper divisors (1).

253677841 is an equidigital number, since it uses as much as digits as its factorization.

253677841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 43.

The square root of 253677841 is about 15927.2672169459. The cubic root of 253677841 is about 633.0346916723.

The spelling of 253677841 in words is "two hundred fifty-three million, six hundred seventy-seven thousand, eight hundred forty-one".