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1484380128 = 253721128687
BaseRepresentation
bin101100001111001…
…1101011111100000
310211110010022201210
41120132131133200
511020000131003
6403143230120
751533010600
oct13036353740
93743108653
101484380128
116a1991840
12355148340
131a86b374a
141011d8c00
158a4b1503
hex5879d7e0

1484380128 has 144 divisors (see below), whose sum is σ = 4944893184. Its totient is φ = 385539840.

The previous prime is 1484380127. The next prime is 1484380151. The reversal of 1484380128 is 8210834841.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1484380123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37401 + ... + 66087.

It is an arithmetic number, because the mean of its divisors is an integer number (34339536).

Almost surely, 21484380128 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 1484380128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2472446592).

1484380128 is an abundant number, since it is smaller than the sum of its proper divisors (3460513056).

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

1484380128 is a wasteful number, since it uses less digits than its factorization.

1484380128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28725 (or 28710 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 1484380128 is about 38527.6540682144. The cubic root of 1484380128 is about 1140.7269724489.

The spelling of 1484380128 in words is "one billion, four hundred eighty-four million, three hundred eighty thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 49 56 66 77 84 88 96 98 112 132 147 154 168 176 196 224 231 264 294 308 336 352 392 462 528 539 588 616 672 784 924 1056 1078 1176 1232 1568 1617 1848 2156 2352 2464 3234 3696 4312 4704 6468 7392 8624 12936 17248 25872 28687 51744 57374 86061 114748 172122 200809 229496 315557 344244 401618 458992 602427 631114 688488 803236 917984 946671 1204854 1262228 1376976 1405663 1606472 1893342 2208899 2409708 2524456 2753952 2811326 3212944 3786684 4216989 4417798 4819416 5048912 5622652 6425888 6626697 7573368 8433978 8835596 9638832 10097824 11245304 13253394 15146736 15462293 16867956 17671192 19277664 22490608 26506788 30293472 30924586 33735912 35342384 44981216 46386879 53013576 61849172 67471824 70684768 92773758 106027152 123698344 134943648 185547516 212054304 247396688 371095032 494793376 742190064 1484380128