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242120 = 2356053
BaseRepresentation
bin111011000111001000
3110022010102
4323013020
530221440
65104532
72025614
oct730710
9408112
10242120
111559aa
12b8148
1386288
1464344
154bb15
hex3b1c8

242120 has 16 divisors (see below), whose sum is σ = 544860. Its totient is φ = 96832.

The previous prime is 242119. The next prime is 242129. The reversal of 242120 is 21242.

242120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 217156 + 24964 = 466^2 + 158^2 .

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (242129) 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, 2987 + ... + 3066.

2242120 is an apocalyptic number.

242120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242120 is an abundant number, since it is smaller than the sum of its proper divisors (302740).

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

242120 is a wasteful number, since it uses less digits than its factorization.

242120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6064 (or 6060 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 242120 is about 492.0569072780. The cubic root of 242120 is about 62.3270954386.

Adding to 242120 its reverse (21242), we get a palindrome (263362).

The spelling of 242120 in words is "two hundred forty-two thousand, one hundred twenty", and thus it is an iban number.

Divisors: 1 2 4 5 8 10 20 40 6053 12106 24212 30265 48424 60530 121060 242120