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242801873 is a prime number
BaseRepresentation
bin11100111100011…
…01110011010001
3121220212121112222
432132031303101
5444124124443
640032030425
76005532116
oct1636156321
9556777488
10242801873
11115067706
1269392415
133b3c2262
142436490d
15164b1468
hexe78dcd1

242801873 has 2 divisors, whose sum is σ = 242801874. Its totient is φ = 242801872.

The previous prime is 242801843. The next prime is 242801887. The reversal of 242801873 is 378108242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167754304 + 75047569 = 12952^2 + 8663^2 .

It is a cyclic number.

It is not a de Polignac number, because 242801873 - 28 = 242801617 is a prime.

It is not a weakly prime, because it can be changed into another prime (242801843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121400936 + 121400937.

It is an arithmetic number, because the mean of its divisors is an integer number (121400937).

Almost surely, 2242801873 is an apocalyptic number.

It is an amenable number.

242801873 is a deficient number, since it is larger than the sum of its proper divisors (1).

242801873 is an equidigital number, since it uses as much as digits as its factorization.

242801873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 242801873 is about 15582.1010457512. The cubic root of 242801873 is about 623.8555037780.

The spelling of 242801873 in words is "two hundred forty-two million, eight hundred one thousand, eight hundred seventy-three".