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42828984 = 233211173181
BaseRepresentation
bin1010001101100…
…0010010111000
32222120221022200
42203120102320
541431011414
64125550200
71030016562
oct243302270
988527280
1042828984
11221a3060
1212415360
138b473c3
14598c332
153b60109
hex28d84b8

42828984 has 96 divisors (see below), whose sum is σ = 134025840. Its totient is φ = 12211200.

The previous prime is 42828977. The next prime is 42829019. The reversal of 42828984 is 48982824.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 11874 + ... + 15054.

Almost surely, 242828984 is an apocalyptic number.

42828984 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42828984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67012920).

42828984 is an abundant number, since it is smaller than the sum of its proper divisors (91196856).

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

42828984 is a wasteful number, since it uses less digits than its factorization.

42828984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221 (or 3214 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 42828984 is about 6544.3856854559. The cubic root of 42828984 is about 349.8747415723.

The spelling of 42828984 in words is "forty-two million, eight hundred twenty-eight thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 11 12 17 18 22 24 33 34 36 44 51 66 68 72 88 99 102 132 136 153 187 198 204 264 306 374 396 408 561 612 748 792 1122 1224 1496 1683 2244 3181 3366 4488 6362 6732 9543 12724 13464 19086 25448 28629 34991 38172 54077 57258 69982 76344 104973 108154 114516 139964 162231 209946 216308 229032 279928 314919 324462 419892 432616 486693 594847 629838 648924 839784 973386 1189694 1259676 1297848 1784541 1946772 2379388 2519352 3569082 3893544 4758776 5353623 7138164 10707246 14276328 21414492 42828984