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243383038 = 2121691519
BaseRepresentation
bin11101000000110…
…11101011111110
3121221222010202121
432200123223332
5444301224123
640052313154
76013502353
oct1640335376
9557863677
10243383038
11115424308
12696127ba
133b566942
142447662a
151657875d
hexe81bafe

243383038 has 4 divisors (see below), whose sum is σ = 365074560. Its totient is φ = 121691518.

The previous prime is 243383029. The next prime is 243383039. The reversal of 243383038 is 830383342.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2433830382 = 118470606372218888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243382994 and 243383012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243383039) 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 as a sum of consecutive naturals, namely, 60845758 + ... + 60845761.

It is an arithmetic number, because the mean of its divisors is an integer number (91268640).

Almost surely, 2243383038 is an apocalyptic number.

243383038 is a deficient number, since it is larger than the sum of its proper divisors (121691522).

243383038 is a wasteful number, since it uses less digits than its factorization.

243383038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121691521.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 243383038 is about 15600.7383799614. The cubic root of 243383038 is about 624.3528559185.

The spelling of 243383038 in words is "two hundred forty-three million, three hundred eighty-three thousand, thirty-eight".

Divisors: 1 2 121691519 243383038