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242382646 = 211611091657
BaseRepresentation
bin11100111001001…
…11011100110110
3121220002022111001
432130213130312
5444022221041
640015033514
76002134642
oct1634473466
9556068431
10242382646
11114900740
126920b89a
133b2a64ac
1424295c22
151642c131
hexe727736

242382646 has 32 divisors (see below), whose sum is σ = 407072160. Its totient is φ = 107308800.

The previous prime is 242382643. The next prime is 242382649. The reversal of 242382646 is 646283242.

242382646 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (242382643) and next prime (242382649).

It is a super-2 number, since 2×2423826462 = 117498694163922632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242382643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145450 + ... + 147106.

It is an arithmetic number, because the mean of its divisors is an integer number (12721005).

Almost surely, 2242382646 is an apocalyptic number.

242382646 is a deficient number, since it is larger than the sum of its proper divisors (164689514).

242382646 is a wasteful number, since it uses less digits than its factorization.

242382646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840.

The product of its digits is 110592, while the sum is 37.

The square root of 242382646 is about 15568.6430365655. The cubic root of 242382646 is about 623.4962427644.

The spelling of 242382646 in words is "two hundred forty-two million, three hundred eighty-two thousand, six hundred forty-six".

Divisors: 1 2 11 22 61 109 122 218 671 1199 1342 1657 2398 3314 6649 13298 18227 36454 73139 101077 146278 180613 202154 361226 1111847 1986743 2223694 3973486 11017393 22034786 121191323 242382646