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2028260136 = 2337211871453
BaseRepresentation
bin111100011100100…
…1100101100101000
312020100112021211210
41320321030230220
513123213311021
6533132353120
7101155632600
oct17071145450
95210467753
102028260136
11950999951
124873157a0
13264290436
14153533c00
15bd0e5e76
hex78e4cb28

2028260136 has 96 divisors (see below), whose sum is σ = 5907543840. Its totient is φ = 578616192.

The previous prime is 2028260093. The next prime is 2028260147. The reversal of 2028260136 is 6310628202.

It is a super-2 number, since 2×20282601362 = 8227678358573476992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1395186 + ... + 1396638.

It is an arithmetic number, because the mean of its divisors is an integer number (61536915).

Almost surely, 22028260136 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 2028260136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2953771920).

2028260136 is an abundant number, since it is smaller than the sum of its proper divisors (3879283704).

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

2028260136 is a wasteful number, since it uses less digits than its factorization.

2028260136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663 (or 2652 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2028260136 is about 45036.2091655148. The cubic root of 2028260136 is about 1265.8275734812.

Adding to 2028260136 its reverse (6310628202), we get a palindrome (8338888338).

The spelling of 2028260136 in words is "two billion, twenty-eight million, two hundred sixty thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 147 168 196 294 392 588 1176 1187 1453 2374 2906 3561 4359 4748 5812 7122 8309 8718 9496 10171 11624 14244 16618 17436 20342 24927 28488 30513 33236 34872 40684 49854 58163 61026 66472 71197 81368 99708 116326 122052 142394 174489 199416 213591 232652 244104 284788 348978 427182 465304 569576 697956 854364 1395912 1708728 1724711 3449422 5174133 6898844 10348266 12072977 13797688 20696532 24145954 36218931 41393064 48291908 72437862 84510839 96583816 144875724 169021678 253532517 289751448 338043356 507065034 676086712 1014130068 2028260136