Search a number
-
+
2628960384 = 27319409881
BaseRepresentation
bin1001110010110010…
…1100000010000000
320210012212000200010
42130230230002000
520341003213014
61112511424520
7122101536351
oct23454540200
96705760603
102628960384
111129a85936
12614525140
1332b87297b
141ad21dd28
15105c01359
hex9cb2c080

2628960384 has 128 divisors (see below), whose sum is σ = 7377048000. Its totient is φ = 827228160.

The previous prime is 2628960379. The next prime is 2628960391. The reversal of 2628960384 is 4830698262.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×26289603842 = 13822865401282854912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2983624 + ... + 2984504.

Almost surely, 22628960384 is an apocalyptic number.

2628960384 is a gapful number since it is divisible by the number (24) 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 2628960384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3688524000).

2628960384 is an abundant number, since it is smaller than the sum of its proper divisors (4748087616).

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

2628960384 is a wasteful number, since it uses less digits than its factorization.

2628960384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The square root of 2628960384 is about 51273.3886533746. The cubic root of 2628960384 is about 1380.1554792265.

The spelling of 2628960384 in words is "two billion, six hundred twenty-eight million, nine hundred sixty thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 64 76 96 114 128 152 192 228 304 384 409 456 608 818 881 912 1216 1227 1636 1762 1824 2432 2454 2643 3272 3524 3648 4908 5286 6544 7048 7296 7771 9816 10572 13088 14096 15542 16739 19632 21144 23313 26176 28192 31084 33478 39264 42288 46626 50217 52352 56384 62168 66956 78528 84576 93252 100434 112768 124336 133912 157056 169152 186504 200868 248672 267824 338304 360329 373008 401736 497344 535648 720658 746016 803472 994688 1071296 1080987 1441316 1492032 1606944 2142592 2161974 2882632 2984064 3213888 4323948 5765264 6427776 6846251 8647896 11530528 13692502 17295792 20538753 23061056 27385004 34591584 41077506 46122112 54770008 69183168 82155012 109540016 138366336 164310024 219080032 328620048 438160064 657240096 876320128 1314480192 2628960384