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76201728 = 283313317
BaseRepresentation
bin1001000101010…
…11111100000000
312022101110010020
410202223330000
5124001423403
611321133440
71613463321
oct442537400
9168343106
1076201728
113a017539
122162a280
1312a305a5
14a198448
156a53453
hex48abf00

76201728 has 72 divisors (see below), whose sum is σ = 204097488. Its totient is φ = 25239552.

The previous prime is 76201721. The next prime is 76201733. The reversal of 76201728 is 82710267.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76201721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240226 + ... + 240542.

Almost surely, 276201728 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 76201728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102048744).

76201728 is an abundant number, since it is smaller than the sum of its proper divisors (127895760).

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

76201728 is a wasteful number, since it uses less digits than its factorization.

76201728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 76201728 is about 8729.3601140061. The cubic root of 76201728 is about 423.9568011050.

The spelling of 76201728 in words is "seventy-six million, two hundred one thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 313 317 384 626 634 768 939 951 1252 1268 1878 1902 2504 2536 3756 3804 5008 5072 7512 7608 10016 10144 15024 15216 20032 20288 30048 30432 40064 40576 60096 60864 80128 81152 99221 120192 121728 198442 240384 243456 297663 396884 595326 793768 1190652 1587536 2381304 3175072 4762608 6350144 9525216 12700288 19050432 25400576 38100864 76201728