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242020242 = 23259281811
BaseRepresentation
bin11100110110011…
…10111110010010
3121212101220100200
432123032332102
5443424121432
640003200030
75666065242
oct1633167622
9555356320
10242020242
11114683432
1269076016
133b1aa559
14241ddb22
15163a9a7c
hexe6cef92

242020242 has 48 divisors (see below), whose sum is σ = 535822560. Its totient is φ = 78926400.

The previous prime is 242020231. The next prime is 242020277.

242020242 is a `hidden beast` number, since 2 + 420 + 2 + 0 + 242 = 666.

242020242 is nontrivially palindromic in base 10.

242020242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 298017 + ... + 298827.

It is an arithmetic number, because the mean of its divisors is an integer number (11162970).

Almost surely, 2242020242 is an apocalyptic number.

242020242 is an abundant number, since it is smaller than the sum of its proper divisors (293802318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242020242 is a wasteful number, since it uses less digits than its factorization.

242020242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159 (or 1156 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 242020242 is about 15556.9997750209. Note that the first 3 decimals coincide. The cubic root of 242020242 is about 623.1853428369.

The spelling of 242020242 in words is "two hundred forty-two million, twenty thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 59 118 177 281 354 531 562 811 843 1062 1622 1686 2433 2529 4866 5058 7299 14598 16579 33158 47849 49737 95698 99474 143547 149211 227891 287094 298422 430641 455782 683673 861282 1367346 2051019 4102038 13445569 26891138 40336707 80673414 121010121 242020242