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242054211 = 3717678023
BaseRepresentation
bin11100110110101…
…11010001000011
3121212110121221210
432123113101003
5443431213321
640004021203
75666266260
oct1633272103
9555417853
10242054211
111146a6a03
1269091803
133b1bcb59
142420c267
15163b4b76
hexe6d7443

242054211 has 16 divisors (see below), whose sum is σ = 390541824. Its totient is φ = 130180224.

The previous prime is 242054209. The next prime is 242054237. The reversal of 242054211 is 112450242.

It is not a de Polignac number, because 242054211 - 21 = 242054209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (242054251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338655 + ... + 339368.

It is an arithmetic number, because the mean of its divisors is an integer number (24408864).

Almost surely, 2242054211 is an apocalyptic number.

242054211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

242054211 is a deficient number, since it is larger than the sum of its proper divisors (148487613).

242054211 is a wasteful number, since it uses less digits than its factorization.

242054211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678050.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 242054211 is about 15558.0914960672. The cubic root of 242054211 is about 623.2144974128.

The spelling of 242054211 in words is "two hundred forty-two million, fifty-four thousand, two hundred eleven".

Divisors: 1 3 7 17 21 51 119 357 678023 2034069 4746161 11526391 14238483 34579173 80684737 242054211