Search a number
-
+
242488837 is a prime number
BaseRepresentation
bin11100111010000…
…01011000000101
3121220021201011001
432131001120011
5444034120322
640021213301
76003056353
oct1635013005
9556251131
10242488837
111149734a8
1269261231
133b312926
14242c27d3
151644d827
hexe741605

242488837 has 2 divisors, whose sum is σ = 242488838. Its totient is φ = 242488836.

The previous prime is 242488823. The next prime is 242488853. The reversal of 242488837 is 738884242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222427396 + 20061441 = 14914^2 + 4479^2 .

It is a cyclic number.

It is not a de Polignac number, because 242488837 - 215 = 242456069 is a prime.

It is a super-2 number, since 2×2424888372 = 117601672139225138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242480837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121244418 + 121244419.

It is an arithmetic number, because the mean of its divisors is an integer number (121244419).

Almost surely, 2242488837 is an apocalyptic number.

It is an amenable number.

242488837 is a deficient number, since it is larger than the sum of its proper divisors (1).

242488837 is an equidigital number, since it uses as much as digits as its factorization.

242488837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 688128, while the sum is 46.

The square root of 242488837 is about 15572.0530759435. The cubic root of 242488837 is about 623.5872834169.

The spelling of 242488837 in words is "two hundred forty-two million, four hundred eighty-eight thousand, eight hundred thirty-seven".