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242020232 = 2330252529
BaseRepresentation
bin11100110110011…
…10111110001000
3121212101220100022
432123032332020
5443424121412
640003200012
75666065226
oct1633167610
9555356308
10242020232
11114683423
1269076008
133b1aa54c
14241ddb16
15163a9a72
hexe6cef88

242020232 has 8 divisors (see below), whose sum is σ = 453787950. Its totient is φ = 121010112.

The previous prime is 242020231. The next prime is 242020277. The reversal of 242020232 is 232020242.

It can be written as a sum of positive squares in only one way, i.e., 231222436 + 10797796 = 15206^2 + 3286^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 242020232.

It is not an unprimeable number, because it can be changed into a prime (242020231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15126257 + ... + 15126272.

Almost surely, 2242020232 is an apocalyptic number.

It is an amenable number.

242020232 is a deficient number, since it is larger than the sum of its proper divisors (211767718).

242020232 is a wasteful number, since it uses less digits than its factorization.

242020232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30252535 (or 30252531 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 242020232 is about 15556.9994536222. Note that the first 3 decimals coincide. The cubic root of 242020232 is about 623.1853342538.

Adding to 242020232 its sum of digits (17), we get a square (242020249 = 155572).

Adding to 242020232 its reverse (232020242), we get a palindrome (474040474).

The spelling of 242020232 in words is "two hundred forty-two million, twenty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 30252529 60505058 121010116 242020232