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830032480 = 255171916061
BaseRepresentation
bin110001011110010…
…100101001100000
32010211212000111201
4301132110221200
53144442014410
6214210250544
726366105524
oct6136245140
92124760451
10830032480
11396593762
121b1b86a54
13102c698a4
147c345d84
154cd0a83a
hex31794a60

830032480 has 96 divisors (see below), whose sum is σ = 2185716960. Its totient is φ = 296017920.

The previous prime is 830032477. The next prime is 830032501. The reversal of 830032480 is 84230038.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 43650 + ... + 59710.

It is an arithmetic number, because the mean of its divisors is an integer number (22767885).

Almost surely, 2830032480 is an apocalyptic number.

830032480 is a gapful number since it is divisible by the number (80) 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 830032480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1092858480).

830032480 is an abundant number, since it is smaller than the sum of its proper divisors (1355684480).

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

830032480 is a wasteful number, since it uses less digits than its factorization.

830032480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16112 (or 16104 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 830032480 is about 28810.2842748905. The cubic root of 830032480 is about 939.7918959871.

The spelling of 830032480 in words is "eight hundred thirty million, thirty-two thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 17 19 20 32 34 38 40 68 76 80 85 95 136 152 160 170 190 272 304 323 340 380 544 608 646 680 760 1292 1360 1520 1615 2584 2720 3040 3230 5168 6460 10336 12920 16061 25840 32122 51680 64244 80305 128488 160610 256976 273037 305159 321220 513952 546074 610318 642440 1092148 1220636 1284880 1365185 1525795 2184296 2441272 2569760 2730370 3051590 4368592 4882544 5187703 5460740 6103180 8737184 9765088 10375406 10921480 12206360 20750812 21842960 24412720 25938515 41501624 43685920 48825440 51877030 83003248 103754060 166006496 207508120 415016240 830032480