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242816785 = 5419115903
BaseRepresentation
bin11100111100100…
…01011100010001
3121220220101000021
432132101130101
5444130114120
640032223441
76005623441
oct1636213421
9556811007
10242816785
11115077932
126939ab81
133b3c8c93
142436a121
15164b5aaa
hexe791711

242816785 has 8 divisors (see below), whose sum is σ = 292078080. Its totient is φ = 193788144.

The previous prime is 242816771. The next prime is 242816803. The reversal of 242816785 is 587618242.

It is a happy number.

242816785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242816785 - 213 = 242808593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55857 + ... + 60046.

It is an arithmetic number, because the mean of its divisors is an integer number (36509760).

Almost surely, 2242816785 is an apocalyptic number.

It is an amenable number.

242816785 is a deficient number, since it is larger than the sum of its proper divisors (49261295).

242816785 is a wasteful number, since it uses less digits than its factorization.

242816785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116327.

The product of its digits is 215040, while the sum is 43.

The square root of 242816785 is about 15582.5795361359. The cubic root of 242816785 is about 623.8682751551.

The spelling of 242816785 in words is "two hundred forty-two million, eight hundred sixteen thousand, seven hundred eighty-five".

Divisors: 1 5 419 2095 115903 579515 48563357 242816785