Search a number
-
+
3440201257 is a prime number
BaseRepresentation
bin1100110100001101…
…0100111000101001
322212202100022221101
43031003110320221
524021142420012
61325211241401
7151152141163
oct31503247051
98782308841
103440201257
1115059a4139
12800149261
1342a96015c
14248c73933
15152048d57
hexcd0d4e29

3440201257 has 2 divisors, whose sum is σ = 3440201258. Its totient is φ = 3440201256.

The previous prime is 3440201249. The next prime is 3440201353. The reversal of 3440201257 is 7521020443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2041142041 + 1399059216 = 45179^2 + 37404^2 .

It is a cyclic number.

It is not a de Polignac number, because 3440201257 - 23 = 3440201249 is a prime.

It is not a weakly prime, because it can be changed into another prime (3440261257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720100628 + 1720100629.

It is an arithmetic number, because the mean of its divisors is an integer number (1720100629).

Almost surely, 23440201257 is an apocalyptic number.

It is an amenable number.

3440201257 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440201257 is an equidigital number, since it uses as much as digits as its factorization.

3440201257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 3440201257 is about 58653.2288710519. The cubic root of 3440201257 is about 1509.5979013551.

The spelling of 3440201257 in words is "three billion, four hundred forty million, two hundred one thousand, two hundred fifty-seven".