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242430134 = 2121215067
BaseRepresentation
bin11100111001100…
…11000010110110
3121220011201121212
432130303002312
5444030231014
640020041422
76002423252
oct1634630266
9556151555
10242430134
11114933391
1269233272
133b2c1cab
14242a9262
151643b23e
hexe7330b6

242430134 has 4 divisors (see below), whose sum is σ = 363645204. Its totient is φ = 121215066.

The previous prime is 242430127. The next prime is 242430151. The reversal of 242430134 is 431034242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431034242 = 2215517121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60607532 + ... + 60607535.

It is an arithmetic number, because the mean of its divisors is an integer number (90911301).

Almost surely, 2242430134 is an apocalyptic number.

242430134 is a deficient number, since it is larger than the sum of its proper divisors (121215070).

242430134 is a wasteful number, since it uses less digits than its factorization.

242430134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121215069.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 242430134 is about 15570.1680787331. The cubic root of 242430134 is about 623.5369589028.

Adding to 242430134 its reverse (431034242), we get a palindrome (673464376).

The spelling of 242430134 in words is "two hundred forty-two million, four hundred thirty thousand, one hundred thirty-four".

Divisors: 1 2 121215067 242430134