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242788037 is a prime number
BaseRepresentation
bin11100111100010…
…10011011000101
3121220211220120112
432132022123011
5444123204122
640031442405
76005443562
oct1636123305
9556756515
10242788037
11115058278
1269386405
133b3b8b7b
142435d869
15164ac2e2
hexe78a6c5

242788037 has 2 divisors, whose sum is σ = 242788038. Its totient is φ = 242788036.

The previous prime is 242788003. The next prime is 242788079. The reversal of 242788037 is 730887242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131928196 + 110859841 = 11486^2 + 10529^2 .

It is a cyclic number.

It is not a de Polignac number, because 242788037 - 26 = 242787973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242787985 and 242788003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242788837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121394018 + 121394019.

It is an arithmetic number, because the mean of its divisors is an integer number (121394019).

Almost surely, 2242788037 is an apocalyptic number.

It is an amenable number.

242788037 is a deficient number, since it is larger than the sum of its proper divisors (1).

242788037 is an equidigital number, since it uses as much as digits as its factorization.

242788037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 242788037 is about 15581.6570684892. The cubic root of 242788037 is about 623.8436534731.

The spelling of 242788037 in words is "two hundred forty-two million, seven hundred eighty-eight thousand, thirty-seven".