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90828416 = 277176789
BaseRepresentation
bin1010110100111…
…10111010000000
320022220120011102
411122132322000
5141223002131
613002433532
72152012610
oct532367200
9208816142
1090828416
11472a7808
12265028a8
1315a82033
14c0c4a40
157e921cb
hex569ee80

90828416 has 128 divisors (see below), whose sum is σ = 224726400. Its totient is φ = 35684352.

The previous prime is 90828389. The next prime is 90828421. The reversal of 90828416 is 61482809.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 90828416.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1020500 + ... + 1020588.

It is an arithmetic number, because the mean of its divisors is an integer number (1755675).

Almost surely, 290828416 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 90828416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112363200).

90828416 is an abundant number, since it is smaller than the sum of its proper divisors (133897984).

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

90828416 is a wasteful number, since it uses less digits than its factorization.

90828416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 90828416 is about 9530.3943255250. The cubic root of 90828416 is about 449.5112652733.

The spelling of 90828416 in words is "ninety million, eight hundred twenty-eight thousand, four hundred sixteen".

Divisors: 1 2 4 7 8 14 16 17 28 32 34 56 64 67 68 89 112 119 128 134 136 178 224 238 268 272 356 448 469 476 536 544 623 712 896 938 952 1072 1088 1139 1246 1424 1513 1876 1904 2144 2176 2278 2492 2848 3026 3752 3808 4288 4556 4984 5696 5963 6052 7504 7616 7973 8576 9112 9968 10591 11392 11926 12104 15008 15232 15946 18224 19936 21182 23852 24208 30016 31892 36448 39872 41741 42364 47704 48416 60032 63784 72896 79744 83482 84728 95408 96832 101371 127568 145792 166964 169456 190816 193664 202742 255136 333928 338912 381632 405484 510272 667856 677824 709597 763264 810968 1020544 1335712 1355648 1419194 1621936 2671424 2838388 3243872 5342848 5676776 6487744 11353552 12975488 22707104 45414208 90828416