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242980342 = 21128312097
BaseRepresentation
bin11100111101110…
…01010111110110
3121221012200100221
432132321113312
5444200332332
640035524554
76010204333
oct1636712766
9557180327
10242980342
11115179800
126945975a
133b455567
14243ad98a
15164e9297
hexe7b95f6

242980342 has 24 divisors (see below), whose sum is σ = 405476568. Its totient is φ = 109105920.

The previous prime is 242980321. The next prime is 242980363. The reversal of 242980342 is 243089242.

It is an interprime number because it is at equal distance from previous prime (242980321) and next prime (242980363).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 242980298 and 242980307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14038 + ... + 26134.

It is an arithmetic number, because the mean of its divisors is an integer number (16894857).

Almost surely, 2242980342 is an apocalyptic number.

242980342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

242980342 is a deficient number, since it is larger than the sum of its proper divisors (162496226).

242980342 is a wasteful number, since it uses less digits than its factorization.

242980342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12204 (or 12193 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 242980342 is about 15587.8267247234. The cubic root of 242980342 is about 624.0083191829.

Multiplying 242980342 by its sum of digits (34), we get a palindrome (8261331628).

Subtracting 242980342 from its reverse (243089242), we obtain a square (108900 = 3302).

The spelling of 242980342 in words is "two hundred forty-two million, nine hundred eighty thousand, three hundred forty-two".

Divisors: 1 2 11 22 83 121 166 242 913 1826 10043 12097 20086 24194 133067 266134 1004051 1463737 2008102 2927474 11044561 22089122 121490171 242980342