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242530113 = 3711549053
BaseRepresentation
bin11100111010010…
…11011101000001
3121220100210202210
432131023131001
5444041430423
640022132333
76003320610
oct1635133501
9556323683
10242530113
111149a1511
12692810a9
133b328657
14242d3877
151645ab93
hexe74b741

242530113 has 8 divisors (see below), whose sum is σ = 369569728. Its totient is φ = 138588624.

The previous prime is 242530087. The next prime is 242530121. The reversal of 242530113 is 311035242.

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

It is not a de Polignac number, because 242530113 - 216 = 242464577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 11549053 = 242530113 / (2 + 4 + 2 + 5 + 3 + 0 + 1 + 1 + 3).

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 242530113.

It is not an unprimeable number, because it can be changed into a prime (242530133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5774506 + ... + 5774547.

It is an arithmetic number, because the mean of its divisors is an integer number (46196216).

Almost surely, 2242530113 is an apocalyptic number.

It is an amenable number.

242530113 is a deficient number, since it is larger than the sum of its proper divisors (127039615).

242530113 is a wasteful number, since it uses less digits than its factorization.

242530113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11549063.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 242530113 is about 15573.3783425434. The cubic root of 242530113 is about 623.6226633664.

Adding to 242530113 its reverse (311035242), we get a palindrome (553565355).

The spelling of 242530113 in words is "two hundred forty-two million, five hundred thirty thousand, one hundred thirteen".

Divisors: 1 3 7 21 11549053 34647159 80843371 242530113