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242401245 = 35313773193
BaseRepresentation
bin11100111001010…
…11111111011101
3121220010020222220
432130223333131
5444023314440
640015255553
76002243112
oct1634537735
9556106886
10242401245
11114913709
126921a5b9
133b2b1ab8
142429c909
15164328d0
hexe72bfdd

242401245 has 64 divisors (see below), whose sum is σ = 418965504. Its totient is φ = 119439360.

The previous prime is 242401219. The next prime is 242401253. The reversal of 242401245 is 542104242.

It is a happy number.

It is not a de Polignac number, because 242401245 - 25 = 242401213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1255869 + ... + 1256061.

It is an arithmetic number, because the mean of its divisors is an integer number (6546336).

Almost surely, 2242401245 is an apocalyptic number.

It is an amenable number.

242401245 is a deficient number, since it is larger than the sum of its proper divisors (176564259).

242401245 is a wasteful number, since it uses less digits than its factorization.

242401245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 242401245 is about 15569.2403475571. The cubic root of 242401245 is about 623.5121901520.

Adding to 242401245 its reverse (542104242), we get a palindrome (784505487).

The spelling of 242401245 in words is "two hundred forty-two million, four hundred one thousand, two hundred forty-five".

Divisors: 1 3 5 15 31 37 73 93 111 155 185 193 219 365 465 555 579 965 1095 1147 2263 2701 2895 3441 5735 5983 6789 7141 8103 11315 13505 14089 17205 17949 21423 29915 33945 35705 40515 42267 70445 83731 89745 107115 211335 221371 251193 418655 436759 521293 664113 1106855 1255965 1310277 1563879 2183795 2606465 3320565 6551385 7819395 16160083 48480249 80800415 242401245