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242133872 = 2419796493
BaseRepresentation
bin11100110111010…
…10101101110000
3121212121200020012
432123222231300
5443441240442
640005434052
76000050441
oct1633525560
9555550205
10242133872
11114750842
126910b928
133b21a1a6
142422d2c8
15163cd582
hexe6eab70

242133872 has 20 divisors (see below), whose sum is σ = 493826280. Its totient is φ = 114694848.

The previous prime is 242133851. The next prime is 242133877. The reversal of 242133872 is 278331242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242133877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397943 + ... + 398550.

It is an arithmetic number, because the mean of its divisors is an integer number (24691314).

Almost surely, 2242133872 is an apocalyptic number.

It is an amenable number.

242133872 is an abundant number, since it is smaller than the sum of its proper divisors (251692408).

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

242133872 is a wasteful number, since it uses less digits than its factorization.

242133872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796520 (or 796514 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 242133872 is about 15560.6514002467. The cubic root of 242133872 is about 623.2828573678.

The spelling of 242133872 in words is "two hundred forty-two million, one hundred thirty-three thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 19 38 76 152 304 796493 1592986 3185972 6371944 12743888 15133367 30266734 60533468 121066936 242133872