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242261086 = 2121130543
BaseRepresentation
bin11100111000010…
…01110001011110
3121212212010201211
432130021301132
5444004323321
640012255034
76001120354
oct1634116136
9555763654
10242261086
11114828381
126917147a
133b263072
14242637d4
15164060e1
hexe709c5e

242261086 has 4 divisors (see below), whose sum is σ = 363391632. Its totient is φ = 121130542.

The previous prime is 242261083. The next prime is 242261119. The reversal of 242261086 is 680162242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 680162242 = 2340081121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242261083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60565270 + ... + 60565273.

It is an arithmetic number, because the mean of its divisors is an integer number (90847908).

Almost surely, 2242261086 is an apocalyptic number.

242261086 is a deficient number, since it is larger than the sum of its proper divisors (121130546).

242261086 is a wasteful number, since it uses less digits than its factorization.

242261086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121130545.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 242261086 is about 15564.7385458285. The cubic root of 242261086 is about 623.3919931704.

The spelling of 242261086 in words is "two hundred forty-two million, two hundred sixty-one thousand, eighty-six".

Divisors: 1 2 121130543 242261086