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242423256 = 23331132479
BaseRepresentation
bin11100111001100…
…01010111011000
3121220011101012010
432130301113120
5444030021011
640015545520
76002364225
oct1634612730
9556141163
10242423256
111149291a9
126922b2a0
133b2bbb1a
14242a694c
15164391a6
hexe7315d8

242423256 has 32 divisors (see below), whose sum is σ = 608025600. Its totient is φ = 80545440.

The previous prime is 242423249. The next prime is 242423257. The reversal of 242423256 is 652324242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242423257) 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, 8776 + ... + 23703.

It is an arithmetic number, because the mean of its divisors is an integer number (19000800).

Almost surely, 2242423256 is an apocalyptic number.

It is an amenable number.

242423256 is an abundant number, since it is smaller than the sum of its proper divisors (365602344).

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

242423256 is a wasteful number, since it uses less digits than its factorization.

242423256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32799 (or 32795 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 242423256 is about 15569.9472060762. The cubic root of 242423256 is about 623.5310620455.

Adding to 242423256 its reverse (652324242), we get a palindrome (894747498).

The spelling of 242423256 in words is "two hundred forty-two million, four hundred twenty-three thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 24 311 622 933 1244 1866 2488 3732 7464 32479 64958 97437 129916 194874 259832 389748 779496 10100969 20201938 30302907 40403876 60605814 80807752 121211628 242423256