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242919058 = 2121459529
BaseRepresentation
bin11100111101010…
…10011010010010
3121221002120022011
432132222122102
5444141402213
640034333134
76006530554
oct1636523222
9557076264
10242919058
11115137758
126942a1aa
133b4336b5
14243954d4
15164d603d
hexe7aa692

242919058 has 4 divisors (see below), whose sum is σ = 364378590. Its totient is φ = 121459528.

The previous prime is 242919049. The next prime is 242919071. The reversal of 242919058 is 850919242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 850919242 = 2425459621.

It can be written as a sum of positive squares in only one way, i.e., 183521209 + 59397849 = 13547^2 + 7707^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 242919058.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60729763 + ... + 60729766.

Almost surely, 2242919058 is an apocalyptic number.

242919058 is a deficient number, since it is larger than the sum of its proper divisors (121459532).

242919058 is a wasteful number, since it uses less digits than its factorization.

242919058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121459531.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 242919058 is about 15585.8608360270. The cubic root of 242919058 is about 623.9558527418.

The spelling of 242919058 in words is "two hundred forty-two million, nine hundred nineteen thousand, fifty-eight".

Divisors: 1 2 121459529 242919058