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242242132 = 221117930757
BaseRepresentation
bin11100111000001…
…01001001010100
3121212211011201211
432130011021110
5444003222012
640012031204
76001011166
oct1634051124
9555734654
10242242132
11114815110
1269162504
133b257552
142425a936
15164006a7
hexe705254

242242132 has 24 divisors (see below), whose sum is σ = 465060960. Its totient is φ = 109491360.

The previous prime is 242242127. The next prime is 242242139. The reversal of 242242132 is 231242242.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242242139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7503 + ... + 23254.

It is an arithmetic number, because the mean of its divisors is an integer number (19377540).

Almost surely, 2242242132 is an apocalyptic number.

242242132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

242242132 is a deficient number, since it is larger than the sum of its proper divisors (222818828).

242242132 is a wasteful number, since it uses less digits than its factorization.

242242132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30951 (or 30949 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 242242132 is about 15564.1296576455. The cubic root of 242242132 is about 623.3757351185.

Adding to 242242132 its reverse (231242242), we get a palindrome (473484374).

The spelling of 242242132 in words is "two hundred forty-two million, two hundred forty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 44 179 358 716 1969 3938 7876 30757 61514 123028 338327 676654 1353308 5505503 11011006 22022012 60560533 121121066 242242132