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2814640428 = 2231717218017
BaseRepresentation
bin1010011111000100…
…0000000100101100
321021011020112210210
42213301000010230
521231021443203
61143143302420
7126515022525
oct24761000454
97234215723
102814640428
111214878016
1266674aa10
1335b185012
141c9b5584c
1511717c803
hexa7c4012c

2814640428 has 48 divisors (see below), whose sum is σ = 6958725984. Its totient is φ = 882401280.

The previous prime is 2814640403. The next prime is 2814640441. The reversal of 2814640428 is 8240464182.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347076 + ... + 355092.

It is an arithmetic number, because the mean of its divisors is an integer number (144973458).

Almost surely, 22814640428 is an apocalyptic number.

It is an amenable number.

2814640428 is an abundant number, since it is smaller than the sum of its proper divisors (4144085556).

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

2814640428 is a wasteful number, since it uses less digits than its factorization.

2814640428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9762 (or 9760 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 39.

The square root of 2814640428 is about 53053.1848996834. The cubic root of 2814640428 is about 1411.9120360528.

The spelling of 2814640428 in words is "two billion, eight hundred fourteen million, six hundred forty thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 1721 3442 5163 6884 8017 10326 16034 20652 24051 29257 32068 48102 58514 87771 96204 117028 136289 175542 272578 351084 408867 545156 817734 1635468 13797257 27594514 41391771 55189028 82783542 165567084 234553369 469106738 703660107 938213476 1407320214 2814640428