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30404484 = 22341119449
BaseRepresentation
bin111001111111…
…0111110000100
32010012201010000
41303332332010
530240420414
63003401300
7516301545
oct163767604
963181100
1030404484
1116187380
12a223230
1363b7126
1440764cc
152a08b09
hex1cfef84

30404484 has 120 divisors (see below), whose sum is σ = 91476000. Its totient is φ = 8709120.

The previous prime is 30404461. The next prime is 30404497. The reversal of 30404484 is 48440403.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 67492 + ... + 67940.

It is an arithmetic number, because the mean of its divisors is an integer number (762300).

Almost surely, 230404484 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 30404484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45738000).

30404484 is an abundant number, since it is smaller than the sum of its proper divisors (61071516).

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

30404484 is a wasteful number, since it uses less digits than its factorization.

30404484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 30404484 is about 5514.0261152809. The cubic root of 30404484 is about 312.1134942129.

Adding to 30404484 its reverse (48440403), we get a palindrome (78844887).

The spelling of 30404484 in words is "thirty million, four hundred four thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 9 11 12 18 19 22 27 33 36 38 44 54 57 66 76 81 99 108 114 132 162 171 198 209 228 297 324 342 396 418 449 513 594 627 684 836 891 898 1026 1188 1254 1347 1539 1782 1796 1881 2052 2508 2694 3078 3564 3762 4041 4939 5388 5643 6156 7524 8082 8531 9878 11286 12123 14817 16164 16929 17062 19756 22572 24246 25593 29634 33858 34124 36369 44451 48492 51186 59268 67716 72738 76779 88902 93841 102372 133353 145476 153558 177804 187682 230337 266706 281523 307116 375364 400059 460674 533412 563046 691011 800118 844569 921348 1126092 1382022 1600236 1689138 2533707 2764044 3378276 5067414 7601121 10134828 15202242 30404484