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242143408 = 24138091439
BaseRepresentation
bin11100110111011…
…01000010110000
3121212122011022101
432123231002300
5443442042113
640005550144
76000120313
oct1633550260
9555564271
10242143408
11114757a21
1269115354
133b221630
142423297a
15163d12dd
hexe6ed0b0

242143408 has 40 divisors (see below), whose sum is σ = 506217600. Its totient is φ = 111542784.

The previous prime is 242143367. The next prime is 242143411. The reversal of 242143408 is 804341242.

It is a happy number.

242143408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167553 + ... + 168991.

It is an arithmetic number, because the mean of its divisors is an integer number (12655440).

Almost surely, 2242143408 is an apocalyptic number.

It is an amenable number.

242143408 is an abundant number, since it is smaller than the sum of its proper divisors (264074192).

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

242143408 is a wasteful number, since it uses less digits than its factorization.

242143408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269 (or 2263 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 242143408 is about 15560.9578111375. The cubic root of 242143408 is about 623.2910395457.

The spelling of 242143408 in words is "two hundred forty-two million, one hundred forty-three thousand, four hundred eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 809 1439 1618 2878 3236 5756 6472 10517 11512 12944 18707 21034 23024 37414 42068 74828 84136 149656 168272 299312 1164151 2328302 4656604 9313208 15133963 18626416 30267926 60535852 121071704 242143408