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83828564 = 22177197179
BaseRepresentation
bin1001111111100…
…01111101010100
312211201221011122
410333301331110
5132430003224
612152423112
72035350101
oct477617524
9184657148
1083828564
1143356706
12240a7a98
13144a0c01
14b1c1aa8
15755d15e
hex4ff1f54

83828564 has 48 divisors (see below), whose sum is σ = 160030080. Its totient is φ = 38277120.

The previous prime is 83828539. The next prime is 83828567. The reversal of 83828564 is 46582838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83828567) 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 in 15 ways as a sum of consecutive naturals, for example, 468227 + ... + 468405.

It is an arithmetic number, because the mean of its divisors is an integer number (3333960).

Almost surely, 283828564 is an apocalyptic number.

It is an amenable number.

83828564 is a deficient number, since it is larger than the sum of its proper divisors (76201516).

83828564 is a wasteful number, since it uses less digits than its factorization.

83828564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 366 counting only the distinct ones).

The product of its digits is 368640, while the sum is 44.

The square root of 83828564 is about 9155.7940125365. The cubic root of 83828564 is about 437.6537716878.

The spelling of 83828564 in words is "eighty-three million, eight hundred twenty-eight thousand, five hundred sixty-four".

Divisors: 1 2 4 17 34 68 71 97 142 179 194 284 358 388 716 1207 1649 2414 3043 3298 4828 6086 6596 6887 12172 12709 13774 17363 25418 27548 34726 50836 69452 117079 216053 234158 295171 432106 468316 590342 864212 1180684 1232773 2465546 4931092 20957141 41914282 83828564