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1038020886 = 233715717491
BaseRepresentation
bin111101110111101…
…111000100010110
32200100012220222000
4331313233010112
54111213132021
6251000220130
734503013650
oct7567570426
92610186860
101038020886
11492a32501
1224b76a646
1313708cc56
149bc076d0
15611e1b26
hex3ddef116

1038020886 has 64 divisors (see below), whose sum is σ = 2653186560. Its totient is φ = 294671520.

The previous prime is 1038020873. The next prime is 1038020887. The reversal of 1038020886 is 6880208301.

It is a self number, because there is not a number n which added to its sum of digits gives 1038020886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038020887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50601 + ... + 68091.

It is an arithmetic number, because the mean of its divisors is an integer number (41456040).

Almost surely, 21038020886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1038020886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326593280).

1038020886 is an abundant number, since it is smaller than the sum of its proper divisors (1615165674).

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

1038020886 is a wasteful number, since it uses less digits than its factorization.

1038020886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17666 (or 17660 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1038020886 is about 32218.3315210456. The cubic root of 1038020886 is about 1012.5163168838.

The spelling of 1038020886 in words is "one billion, thirty-eight million, twenty thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 157 189 314 378 471 942 1099 1413 2198 2826 3297 4239 6594 8478 9891 17491 19782 29673 34982 52473 59346 104946 122437 157419 244874 314838 367311 472257 734622 944514 1101933 2203866 2746087 3305799 5492174 6611598 8238261 16476522 19222609 24714783 38445218 49429566 57667827 74144349 115335654 148288698 173003481 346006962 519010443 1038020886