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30824460 = 22325199013
BaseRepresentation
bin111010110010…
…1100000001100
32011000001012200
41311211200030
530342340320
63020401500
7523001142
oct165454014
964001180
1030824460
1116443967
12a3a6290
136503334
144145592
152a8d290
hex1d6580c

30824460 has 72 divisors (see below), whose sum is σ = 98432880. Its totient is φ = 7786368.

The previous prime is 30824407. The next prime is 30824461. The reversal of 30824460 is 6442803.

It is a super-3 number, since 3×308244603 (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (30824461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1087 + ... + 7926.

Almost surely, 230824460 is an apocalyptic number.

30824460 is a gapful number since it is divisible by the number (30) 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 30824460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49216440).

30824460 is an abundant number, since it is smaller than the sum of its proper divisors (67608420).

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

30824460 is a wasteful number, since it uses less digits than its factorization.

30824460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9047 (or 9042 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 30824460 is about 5551.9780258931. The cubic root of 30824460 is about 313.5439984644.

The spelling of 30824460 in words is "thirty million, eight hundred twenty-four thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 38 45 57 60 76 90 95 114 171 180 190 228 285 342 380 570 684 855 1140 1710 3420 9013 18026 27039 36052 45065 54078 81117 90130 108156 135195 162234 171247 180260 270390 324468 342494 405585 513741 540780 684988 811170 856235 1027482 1541223 1622340 1712470 2054964 2568705 3082446 3424940 5137410 6164892 7706115 10274820 15412230 30824460