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242713634 = 2121356817
BaseRepresentation
bin11100111011110…
…00010000100010
3121220201010111212
432131320100202
5444113314014
640030110122
76005013632
oct1635702042
9556633455
10242713634
11115007389
126934b342
133b391047
14243406c2
151649523e
hexe778422

242713634 has 4 divisors (see below), whose sum is σ = 364070454. Its totient is φ = 121356816.

The previous prime is 242713633. The next prime is 242713643. The reversal of 242713634 is 436317242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 436317242 = 2218158621.

It can be written as a sum of positive squares in only one way, i.e., 212430625 + 30283009 = 14575^2 + 5503^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 242713634.

It is not an unprimeable number, because it can be changed into a prime (242713633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60678407 + ... + 60678410.

Almost surely, 2242713634 is an apocalyptic number.

242713634 is a deficient number, since it is larger than the sum of its proper divisors (121356820).

242713634 is a wasteful number, since it uses less digits than its factorization.

242713634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121356819.

The product of its digits is 24192, while the sum is 32.

The square root of 242713634 is about 15579.2693666937. The cubic root of 242713634 is about 623.7799208140.

It can be divided in two parts, 2427 and 13634, that added together give a palindrome (16061).

The spelling of 242713634 in words is "two hundred forty-two million, seven hundred thirteen thousand, six hundred thirty-four".

Divisors: 1 2 121356817 242713634