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1030831216 = 242921110529
BaseRepresentation
bin111101011100010…
…011110001110000
32122211200122120221
4331130103301300
54102343044331
6250142142424
734354630552
oct7534236160
92584618527
101030831216
11489971828
12249281a14
131357435cc
149ac954d2
1560771711
hex3d713c70

1030831216 has 40 divisors (see below), whose sum is σ = 2076094800. Its totient is φ = 495237120.

The previous prime is 1030831177. The next prime is 1030831229. The reversal of 1030831216 is 6121380301.

It is a super-2 number, since 2×10308312162 = 2125225991760077312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92640 + ... + 103168.

It is an arithmetic number, because the mean of its divisors is an integer number (51902370).

Almost surely, 21030831216 is an apocalyptic number.

1030831216 is a gapful number since it is divisible by the number (16) 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 1030831216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1038047400).

1030831216 is an abundant number, since it is smaller than the sum of its proper divisors (1045263584).

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

1030831216 is a wasteful number, since it uses less digits than its factorization.

1030831216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10777 (or 10771 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1030831216 is about 32106.5603265127. The cubic root of 1030831216 is about 1010.1732265047.

The spelling of 1030831216 in words is "one billion, thirty million, eight hundred thirty-one thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 29 58 116 211 232 422 464 844 1688 3376 6119 10529 12238 21058 24476 42116 48952 84232 97904 168464 305341 610682 1221364 2221619 2442728 4443238 4885456 8886476 17772952 35545904 64426951 128853902 257707804 515415608 1030831216