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242980442 = 2151804571
BaseRepresentation
bin11100111101110…
…01011001011010
3121221012200111122
432132321121122
5444200333232
640035525242
76010204535
oct1636713132
9557180448
10242980442
11115179891
1269459822
133b455613
14243ada1c
15164e9312
hexe7b965a

242980442 has 8 divisors (see below), whose sum is σ = 366884832. Its totient is φ = 120685500.

The previous prime is 242980429. The next prime is 242980453. The reversal of 242980442 is 244089242.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401984 + ... + 402587.

It is an arithmetic number, because the mean of its divisors is an integer number (45860604).

Almost surely, 2242980442 is an apocalyptic number.

242980442 is a deficient number, since it is larger than the sum of its proper divisors (123904390).

242980442 is a wasteful number, since it uses less digits than its factorization.

242980442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804724.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 242980442 is about 15587.8299323543. The cubic root of 242980442 is about 624.0084047876.

The spelling of 242980442 in words is "two hundred forty-two million, nine hundred eighty thousand, four hundred forty-two".

Divisors: 1 2 151 302 804571 1609142 121490221 242980442