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1030840386 = 23241712891
BaseRepresentation
bin111101011100010…
…110000001000010
32122211201010011120
4331130112001002
54102343343021
6250142253110
734354666362
oct7534260102
92584633146
101030840386
11489978704
12249287196
13135747834
149ac989a2
15607742c6
hex3d716042

1030840386 has 16 divisors (see below), whose sum is σ = 2070238368. Its totient is φ = 342187200.

The previous prime is 1030840379. The next prime is 1030840411. The reversal of 1030840386 is 6830480301.

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 7 ways as a sum of consecutive naturals, for example, 355000 + ... + 357891.

It is an arithmetic number, because the mean of its divisors is an integer number (129389898).

Almost surely, 21030840386 is an apocalyptic number.

1030840386 is an abundant number, since it is smaller than the sum of its proper divisors (1039397982).

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

1030840386 is a wasteful number, since it uses less digits than its factorization.

1030840386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713137.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1030840386 is about 32106.7031319007. The cubic root of 1030840386 is about 1010.1762219065.

The spelling of 1030840386 in words is "one billion, thirty million, eight hundred forty thousand, three hundred eighty-six".

Divisors: 1 2 3 6 241 482 723 1446 712891 1425782 2138673 4277346 171806731 343613462 515420193 1030840386