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242833057 = 2310557959
BaseRepresentation
bin11100111100101…
…01011010100001
3121220221012022221
432132111122201
5444131124212
640032431041
76006022045
oct1636253241
9556835287
10242833057
11115089085
12693a8481
133b4034cc
1424372025
15164ba807
hexe7956a1

242833057 has 4 divisors (see below), whose sum is σ = 253391040. Its totient is φ = 232275076.

The previous prime is 242833051. The next prime is 242833079. The reversal of 242833057 is 750338242.

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, and also an emirpimes, since its reverse is a distinct semiprime: 750338242 = 2375169121.

It is a cyclic number.

It is not a de Polignac number, because 242833057 - 27 = 242832929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242833051) 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, 5278957 + ... + 5279002.

It is an arithmetic number, because the mean of its divisors is an integer number (63347760).

Almost surely, 2242833057 is an apocalyptic number.

It is an amenable number.

242833057 is a deficient number, since it is larger than the sum of its proper divisors (10557983).

242833057 is a wasteful number, since it uses less digits than its factorization.

242833057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10557982.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 242833057 is about 15583.1016489016. The cubic root of 242833057 is about 623.8822107071.

The spelling of 242833057 in words is "two hundred forty-two million, eight hundred thirty-three thousand, fifty-seven".

Divisors: 1 23 10557959 242833057