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243134304 = 2537361807
BaseRepresentation
bin11100111110111…
…10111101100000
3121221111111120020
432133132331200
5444220244204
640043113440
76011415240
oct1637367540
9557444506
10243134304
11115274446
1269512880
133b4aa66a
142440db20
1516529bd9
hexe7def60

243134304 has 48 divisors (see below), whose sum is σ = 729404928. Its totient is φ = 69466752.

The previous prime is 243134293. The next prime is 243134321. The reversal of 243134304 is 403431342.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×2431343042 = 118228579563128832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180232 + ... + 181575.

It is an arithmetic number, because the mean of its divisors is an integer number (15195936).

Almost surely, 2243134304 is an apocalyptic number.

243134304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243134304 is an abundant number, since it is smaller than the sum of its proper divisors (486270624).

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

243134304 is a wasteful number, since it uses less digits than its factorization.

243134304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361827 (or 361819 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 243134304 is about 15592.7644758715. The cubic root of 243134304 is about 624.1400901774.

Adding to 243134304 its reverse (403431342), we get a palindrome (646565646).

The spelling of 243134304 in words is "two hundred forty-three million, one hundred thirty-four thousand, three hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 361807 723614 1085421 1447228 2170842 2532649 2894456 4341684 5065298 5788912 7597947 8683368 10130596 11577824 15195894 17366736 20261192 30391788 34733472 40522384 60783576 81044768 121567152 243134304