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9020856 = 2331329997
BaseRepresentation
bin100010011010…
…010110111000
3121222022021210
4202122112320
54302131411
6521203120
7136450605
oct42322670
917868253
109020856
115101559
1230304a0
131b3acb0
1412ab6ac
15bd2ca6
hex89a5b8

9020856 has 64 divisors (see below), whose sum is σ = 25149600. Its totient is φ = 2677248.

The previous prime is 9020831. The next prime is 9020857. The reversal of 9020856 is 6580209.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9020857) 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 15 ways as a sum of consecutive naturals, for example, 8550 + ... + 9546.

Almost surely, 29020856 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 9020856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12574800).

9020856 is an abundant number, since it is smaller than the sum of its proper divisors (16128744).

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

9020856 is a wasteful number, since it uses less digits than its factorization.

9020856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 9020856 is about 3003.4739885672. The cubic root of 9020856 is about 208.1689332716.

The spelling of 9020856 in words is "nine million, twenty thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 13 24 26 29 39 52 58 78 87 104 116 156 174 232 312 348 377 696 754 997 1131 1508 1994 2262 2991 3016 3988 4524 5982 7976 9048 11964 12961 23928 25922 28913 38883 51844 57826 77766 86739 103688 115652 155532 173478 231304 311064 346956 375869 693912 751738 1127607 1503476 2255214 3006952 4510428 9020856