Search a number
-
+
1742406461 is a prime number
BaseRepresentation
bin110011111011011…
…0000001100111101
311111102122102022122
41213312300030331
512032024001321
6444521452325
761115132135
oct14766601475
94442572278
101742406461
118145a7844
124076410a5
13219ca6553
141275a3ac5
15a2e7d8ab
hex67db033d

1742406461 has 2 divisors, whose sum is σ = 1742406462. Its totient is φ = 1742406460.

The previous prime is 1742406443. The next prime is 1742406473. The reversal of 1742406461 is 1646042471.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1736305561 + 6100900 = 41669^2 + 2470^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1742406461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1742406431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871203230 + 871203231.

It is an arithmetic number, because the mean of its divisors is an integer number (871203231).

Almost surely, 21742406461 is an apocalyptic number.

It is an amenable number.

1742406461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1742406461 is an equidigital number, since it uses as much as digits as its factorization.

1742406461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 1742406461 is about 41742.1425061053. The cubic root of 1742406461 is about 1203.3256040527.

The spelling of 1742406461 in words is "one billion, seven hundred forty-two million, four hundred six thousand, four hundred sixty-one".