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242084138 = 2128394343
BaseRepresentation
bin11100110110111…
…10100100101010
3121212112011000012
432123132210222
5443433143023
640004411522
75666452442
oct1633364452
9555464005
10242084138
1111471743a
12690a6ba2
133b20066a
1424219122
15163bd978
hexe6de92a

242084138 has 8 divisors (see below), whose sum is σ = 363413088. Its totient is φ = 120946444.

The previous prime is 242084137. The next prime is 242084147. The reversal of 242084138 is 831480242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (242084137) 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, 44606 + ... + 49737.

It is an arithmetic number, because the mean of its divisors is an integer number (45426636).

Almost surely, 2242084138 is an apocalyptic number.

242084138 is a deficient number, since it is larger than the sum of its proper divisors (121328950).

242084138 is a wasteful number, since it uses less digits than its factorization.

242084138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95628.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 242084138 is about 15559.0532488323. The cubic root of 242084138 is about 623.2401806012.

The spelling of 242084138 in words is "two hundred forty-two million, eighty-four thousand, one hundred thirty-eight".

Divisors: 1 2 1283 2566 94343 188686 121042069 242084138