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242973337 = 1091222707
BaseRepresentation
bin11100111101101…
…11101010011001
3121221012022202111
432132313222121
5444200121322
640035432321
76010145035
oct1636675231
9557168674
10242973337
11115174512
12694556a1
133b452309
14243ab1c5
15164e7177
hexe7b7a99

242973337 has 4 divisors (see below), whose sum is σ = 243197136. Its totient is φ = 242749540.

The previous prime is 242973323. The next prime is 242973361. The reversal of 242973337 is 733379242.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242973337 - 223 = 234584729 is a prime.

It is a super-3 number, since 3×2429733373 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242973337.

It is not an unprimeable number, because it can be changed into a prime (242973307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110263 + ... + 112444.

It is an arithmetic number, because the mean of its divisors is an integer number (60799284).

Almost surely, 2242973337 is an apocalyptic number.

It is an amenable number.

242973337 is a deficient number, since it is larger than the sum of its proper divisors (223799).

242973337 is a wasteful number, since it uses less digits than its factorization.

242973337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223798.

The product of its digits is 190512, while the sum is 40.

The square root of 242973337 is about 15587.6020285354. The cubic root of 242973337 is about 624.0023225108.

The spelling of 242973337 in words is "two hundred forty-two million, nine hundred seventy-three thousand, three hundred thirty-seven".

Divisors: 1 1091 222707 242973337