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78233304 = 23323239593
BaseRepresentation
bin1001010100110…
…11111011011000
312110012122220210
410222123323120
5130011431204
611432451120
71636654302
oct452337330
9173178823
1078233304
1140184926
1222249aa0
13132921c6
14a566972
156d05389
hex4a9bed8

78233304 has 64 divisors (see below), whose sum is σ = 205286400. Its totient is φ = 24797696.

The previous prime is 78233291. The next prime is 78233347. The reversal of 78233304 is 40333287.

It is a super-2 number, since 2×782333042 = 12240899709512832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131632 + ... + 132224.

It is an arithmetic number, because the mean of its divisors is an integer number (3207600).

Almost surely, 278233304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78233304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102643200).

78233304 is an abundant number, since it is smaller than the sum of its proper divisors (127053096).

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

78233304 is a wasteful number, since it uses less digits than its factorization.

78233304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 78233304 is about 8844.9592424160. The cubic root of 78233304 is about 427.6914391723.

The spelling of 78233304 in words is "seventy-eight million, two hundred thirty-three thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 239 276 478 552 593 717 956 1186 1434 1779 1912 2372 2868 3558 4744 5497 5736 7116 10994 13639 14232 16491 21988 27278 32982 40917 43976 54556 65964 81834 109112 131928 141727 163668 283454 327336 425181 566908 850362 1133816 1700724 3259721 3401448 6519442 9779163 13038884 19558326 26077768 39116652 78233304