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242143527 = 31373531669
BaseRepresentation
bin11100110111011…
…01000100100111
3121212122011110210
432123231010213
5443442043102
640005550503
76000120543
oct1633550447
9555564423
10242143527
1111475801a
1269115433
133b2216c2
1424232a23
15163d136c
hexe6ed127

242143527 has 16 divisors (see below), whose sum is σ = 326331360. Its totient is φ = 159700992.

The previous prime is 242143523. The next prime is 242143537. The reversal of 242143527 is 725341242.

It is not a de Polignac number, because 242143527 - 22 = 242143523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242143494 and 242143503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242143523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144249 + ... + 145917.

It is an arithmetic number, because the mean of its divisors is an integer number (20395710).

Almost surely, 2242143527 is an apocalyptic number.

242143527 is a deficient number, since it is larger than the sum of its proper divisors (84187833).

242143527 is a wasteful number, since it uses less digits than its factorization.

242143527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162.

The product of its digits is 13440, while the sum is 30.

The square root of 242143527 is about 15560.9616348091. The cubic root of 242143527 is about 623.2911416500.

Adding to 242143527 its reverse (725341242), we get a palindrome (967484769).

The spelling of 242143527 in words is "two hundred forty-two million, one hundred forty-three thousand, five hundred twenty-seven".

Divisors: 1 3 137 353 411 1059 1669 5007 48361 145083 228653 589157 685959 1767471 80714509 242143527