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242149038 = 2340358173
BaseRepresentation
bin11100110111011…
…10011010101110
3121212122110000220
432123232122232
5443442232123
640010032210
76000142605
oct1633563256
9555573026
10242149038
1111476117a
1269118666
133b224071
1424234a3c
15163d2ce3
hexe6ee6ae

242149038 has 8 divisors (see below), whose sum is σ = 484298088. Its totient is φ = 80716344.

The previous prime is 242149031. The next prime is 242149067. The reversal of 242149038 is 830941242.

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

242149038 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242149031) 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, 20179081 + ... + 20179092.

It is an arithmetic number, because the mean of its divisors is an integer number (60537261).

Almost surely, 2242149038 is an apocalyptic number.

242149038 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.

242149038 is a wasteful number, since it uses less digits than its factorization.

242149038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40358178.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 242149038 is about 15561.1387115468. The cubic root of 242149038 is about 623.2958701561.

The spelling of 242149038 in words is "two hundred forty-two million, one hundred forty-nine thousand, thirty-eight".

Divisors: 1 2 3 6 40358173 80716346 121074519 242149038