Search a number
-
+
242142434 = 2313386809
BaseRepresentation
bin11100110111011…
…00110011100010
3121212122002222022
432123230303202
5443442024214
640005541442
76000114422
oct1633546342
9555562868
10242142434
11114757216
1269114882
133b221061
1424232482
15163d0d8e
hexe6ecce2

242142434 has 8 divisors (see below), whose sum is σ = 364375020. Its totient is φ = 120684096.

The previous prime is 242142421. The next prime is 242142443. The reversal of 242142434 is 434241242.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 148962025 + 93180409 = 12205^2 + 9653^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192779 + ... + 194030.

Almost surely, 2242142434 is an apocalyptic number.

242142434 is a deficient number, since it is larger than the sum of its proper divisors (122232586).

242142434 is a wasteful number, since it uses less digits than its factorization.

242142434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387124.

The product of its digits is 6144, while the sum is 26.

The square root of 242142434 is about 15560.9265148319. The cubic root of 242142434 is about 623.2902038340.

Adding to 242142434 its reverse (434241242), we get a palindrome (676383676).

The spelling of 242142434 in words is "two hundred forty-two million, one hundred forty-two thousand, four hundred thirty-four".

Divisors: 1 2 313 626 386809 773618 121071217 242142434