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77073248 = 2573371021
BaseRepresentation
bin1001001100000…
…00101101100000
312101000201121202
410212000231200
5124212320443
611351540332
71624053230
oct446005540
9171021552
1077073248
113a5622aa
122198a6a8
1312c77195
14a343cc0
156b767b8
hex4980b60

77073248 has 48 divisors (see below), whose sum is σ = 174099744. Its totient is φ = 32901120.

The previous prime is 77073247. The next prime is 77073251. The reversal of 77073248 is 84237077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77073247) 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, 74978 + ... + 75998.

It is an arithmetic number, because the mean of its divisors is an integer number (3627078).

Almost surely, 277073248 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 77073248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87049872).

77073248 is an abundant number, since it is smaller than the sum of its proper divisors (97026496).

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

77073248 is a wasteful number, since it uses less digits than its factorization.

77073248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375 (or 1367 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 38.

The square root of 77073248 is about 8779.1370874363. The cubic root of 77073248 is about 425.5669444054.

The spelling of 77073248 in words is "seventy-seven million, seventy-three thousand, two hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 337 674 1021 1348 2042 2359 2696 4084 4718 5392 7147 8168 9436 10784 14294 16336 18872 28588 32672 37744 57176 75488 114352 228704 344077 688154 1376308 2408539 2752616 4817078 5505232 9634156 11010464 19268312 38536624 77073248