Search a number
-
+
242002847 is a prime number
BaseRepresentation
bin11100110110010…
…10101110011111
3121212101000111102
432123022232133
5443423042342
640002543315
75665663442
oct1633125637
9555330442
10242002847
11114671359
1269067b3b
133b1a2668
14241d7659
15163a4832
hexe6cab9f

242002847 has 2 divisors, whose sum is σ = 242002848. Its totient is φ = 242002846.

The previous prime is 242002843. The next prime is 242002889. The reversal of 242002847 is 748200242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242002847 - 22 = 242002843 is a prime.

It is a super-2 number, since 2×2420028472 = 117130755912210818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242002843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121001423 + 121001424.

It is an arithmetic number, because the mean of its divisors is an integer number (121001424).

Almost surely, 2242002847 is an apocalyptic number.

242002847 is a deficient number, since it is larger than the sum of its proper divisors (1).

242002847 is an equidigital number, since it uses as much as digits as its factorization.

242002847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 242002847 is about 15556.4406918806. The cubic root of 242002847 is about 623.1704121729.

The spelling of 242002847 in words is "two hundred forty-two million, two thousand, eight hundred forty-seven".