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1230484488 = 233315932789
BaseRepresentation
bin100100101010111…
…1011010000001000
310011202101002101120
41021111323100020
510010001000423
6322033315240
742330642222
oct11125732010
93152332346
101230484488
11581638232
122a4105b20
13167c08b3c
14b95c7412
157305cee3
hex4957b408

1230484488 has 64 divisors (see below), whose sum is σ = 3181939200. Its totient is φ = 396119040.

The previous prime is 1230484481. The next prime is 1230484511. The reversal of 1230484488 is 8844840321.

It is not an unprimeable number, because it can be changed into a prime (1230484481) by changing a digit.

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, 439798 + ... + 442586.

It is an arithmetic number, because the mean of its divisors is an integer number (49717800).

Almost surely, 21230484488 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 1230484488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1590969600).

1230484488 is an abundant number, since it is smaller than the sum of its proper divisors (1951454712).

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

1230484488 is a wasteful number, since it uses less digits than its factorization.

1230484488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422 (or 3418 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 42.

The square root of 1230484488 is about 35078.2623286844. The cubic root of 1230484488 is about 1071.5819288496.

The spelling of 1230484488 in words is "one billion, two hundred thirty million, four hundred eighty-four thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 593 744 1186 1779 2372 2789 3558 4744 5578 7116 8367 11156 14232 16734 18383 22312 33468 36766 55149 66936 73532 86459 110298 147064 172918 220596 259377 345836 441192 518754 691672 1037508 1653877 2075016 3307754 4961631 6615508 9923262 13231016 19846524 39693048 51270187 102540374 153810561 205080748 307621122 410161496 615242244 1230484488