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2775030028 = 2219173211061
BaseRepresentation
bin1010010101100111…
…1001100100001100
321011101201010112221
42211121321210030
521140401430103
61135210305124
7125524236361
oct24531714414
97141633487
102775030028
1111a4483151
126554281a4
13352bc6904
141c47a4468
151139561bd
hexa567990c

2775030028 has 24 divisors (see below), whose sum is σ = 5141470320. Its totient is φ = 1306883520.

The previous prime is 2775030001. The next prime is 2775030079. The reversal of 2775030028 is 8200305772.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2775029975 and 2775030002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92383 + ... + 118678.

It is an arithmetic number, because the mean of its divisors is an integer number (214227930).

Almost surely, 22775030028 is an apocalyptic number.

It is an amenable number.

2775030028 is a deficient number, since it is larger than the sum of its proper divisors (2366440292).

2775030028 is a wasteful number, since it uses less digits than its factorization.

2775030028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211257 (or 211255 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 2775030028 is about 52678.5537766556. The cubic root of 2775030028 is about 1405.2574475359.

It can be divided in two parts, 277 and 5030028, that added together give a palindrome (5030305).

The spelling of 2775030028 in words is "two billion, seven hundred seventy-five million, thirty thousand, twenty-eight".

Divisors: 1 2 4 19 38 76 173 346 692 3287 6574 13148 211061 422122 844244 4010159 8020318 16040636 36513553 73027106 146054212 693757507 1387515014 2775030028