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242080529 = 376542717
BaseRepresentation
bin11100110110111…
…01101100010001
3121212111222001112
432123131230101
5443433034104
640004343105
75666436065
oct1633355421
9555458045
10242080529
11114714759
12690a4a95
133b1cbb22
1424217aa5
15163bc86e
hexe6ddb11

242080529 has 4 divisors (see below), whose sum is σ = 248623284. Its totient is φ = 235537776.

The previous prime is 242080499. The next prime is 242080571. The reversal of 242080529 is 925080242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 180096400 + 61984129 = 13420^2 + 7873^2 .

It is a cyclic number.

It is not a de Polignac number, because 242080529 - 212 = 242076433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242080495 and 242080504.

It is not an unprimeable number, because it can be changed into a prime (242080229) 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, 3271322 + ... + 3271395.

It is an arithmetic number, because the mean of its divisors is an integer number (62155821).

Almost surely, 2242080529 is an apocalyptic number.

It is an amenable number.

242080529 is a deficient number, since it is larger than the sum of its proper divisors (6542755).

242080529 is an equidigital number, since it uses as much as digits as its factorization.

242080529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6542754.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 242080529 is about 15558.9372709064. The cubic root of 242080529 is about 623.2370834893.

The spelling of 242080529 in words is "two hundred forty-two million, eighty thousand, five hundred twenty-nine".

Divisors: 1 37 6542717 242080529