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242302642 = 2121151321
BaseRepresentation
bin11100111000100…
…11111010110010
3121212221020201221
432130103322302
5444012141032
640013215254
76001352461
oct1634237262
9555836657
10242302642
1111485661a
126919152a
133b278c5a
14242749d8
1516413597
hexe713eb2

242302642 has 4 divisors (see below), whose sum is σ = 363453966. Its totient is φ = 121151320.

The previous prime is 242302637. The next prime is 242302667. The reversal of 242302642 is 246203242.

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

It can be written as a sum of positive squares in only one way, i.e., 129709321 + 112593321 = 11389^2 + 10611^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60575659 + ... + 60575662.

Almost surely, 2242302642 is an apocalyptic number.

242302642 is a deficient number, since it is larger than the sum of its proper divisors (121151324).

242302642 is a wasteful number, since it uses less digits than its factorization.

242302642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121151323.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 242302642 is about 15566.0734290957. The cubic root of 242302642 is about 623.4276354287.

Adding to 242302642 its reverse (246203242), we get a palindrome (488505884).

It can be divided in two parts, 242 and 302642, that multiplied together give a square (73239364 = 85582).

The spelling of 242302642 in words is "two hundred forty-two million, three hundred two thousand, six hundred forty-two".

Divisors: 1 2 121151321 242302642