Search a number
-
+
242456471 is a prime number
BaseRepresentation
bin11100111001110…
…01011110010111
3121220020001202022
432130321132113
5444032101341
640020403355
76002563115
oct1634713627
9556201668
10242456471
11114951154
126924655b
133b300c8a
14242b4ab5
1516443e4b
hexe739797

242456471 has 2 divisors, whose sum is σ = 242456472. Its totient is φ = 242456470.

The previous prime is 242456453. The next prime is 242456477. The reversal of 242456471 is 174654242.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242456471 - 26 = 242456407 is a prime.

It is a super-3 number, since 3×2424564713 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242456477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121228235 + 121228236.

It is an arithmetic number, because the mean of its divisors is an integer number (121228236).

Almost surely, 2242456471 is an apocalyptic number.

242456471 is a deficient number, since it is larger than the sum of its proper divisors (1).

242456471 is an equidigital number, since it uses as much as digits as its factorization.

242456471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 35.

The square root of 242456471 is about 15571.0138077134. The cubic root of 242456471 is about 623.5595379142.

The spelling of 242456471 in words is "two hundred forty-two million, four hundred fifty-six thousand, four hundred seventy-one".