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242135908 = 2278647711
BaseRepresentation
bin11100110111010…
…11001101100100
3121212121210000121
432123223031210
5443441322113
640005451324
76000056410
oct1633531544
9555553017
10242135908
11114752323
1269110b44
133b21b0b1
142422dd40
15163cde8d
hexe6eb364

242135908 has 12 divisors (see below), whose sum is σ = 484271872. Its totient is φ = 103772520.

The previous prime is 242135903. The next prime is 242135909. The reversal of 242135908 is 809531242.

242135908 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (242135903) 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, 4323828 + ... + 4323883.

Almost surely, 2242135908 is an apocalyptic number.

242135908 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

242135908 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

242135908 is a wasteful number, since it uses less digits than its factorization.

242135908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8647722 (or 8647720 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 242135908 is about 15560.7168215349. The cubic root of 242135908 is about 623.2846043357.

The spelling of 242135908 in words is "two hundred forty-two million, one hundred thirty-five thousand, nine hundred eight".

Divisors: 1 2 4 7 14 28 8647711 17295422 34590844 60533977 121067954 242135908