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3899848428 = 2232729533641
BaseRepresentation
bin1110100001110010…
…1111011011101100
3101001210020211022200
43220130233123230
530441330122203
61442551141500
7165433110330
oct35034573354
911053224280
103899848428
1117213a9933
1290a074890
134a1c56c28
1428dd237c0
1517c5909a3
hexe872f6ec

3899848428 has 72 divisors (see below), whose sum is σ = 11654741280. Its totient is φ = 1075818240.

The previous prime is 3899848427. The next prime is 3899848441. The reversal of 3899848428 is 8248489983.

3899848428 is a `hidden beast` number, since 3 + 89 + 98 + 48 + 428 = 666.

It is a super-2 number, since 2×38998484282 = 30417635522748142368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (3899848427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259513 + ... + 274128.

Almost surely, 23899848428 is an apocalyptic number.

It is an amenable number.

3899848428 is an abundant number, since it is smaller than the sum of its proper divisors (7754892852).

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

3899848428 is a wasteful number, since it uses less digits than its factorization.

3899848428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533687 (or 533682 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 63.

The square root of 3899848428 is about 62448.7664249663. The cubic root of 3899848428 is about 1574.0405246099.

The spelling of 3899848428 in words is "three billion, eight hundred ninety-nine million, eight hundred forty-eight thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 29 36 42 58 63 84 87 116 126 174 203 252 261 348 406 522 609 812 1044 1218 1827 2436 3654 7308 533641 1067282 1600923 2134564 3201846 3735487 4802769 6403692 7470974 9605538 11206461 14941948 15475589 19211076 22412922 30951178 33619383 44825844 46426767 61902356 67238766 92853534 108329123 134477532 139280301 185707068 216658246 278560602 324987369 433316492 557121204 649974738 974962107 1299949476 1949924214 3899848428