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2772148225 = 527113738921
BaseRepresentation
bin1010010100111011…
…1010000000000001
321011012021201110111
42211032322000001
521134132220400
61135024431321
7125460604540
oct24516720001
97135251414
102772148225
1111a2894aa0
12654478541
13352427cc2
141c4254157
151135873ba
hexa53ba001

2772148225 has 48 divisors (see below), whose sum is σ = 4401611136. Its totient is φ = 1681344000.

The previous prime is 2772148153. The next prime is 2772148259. The reversal of 2772148225 is 5228412772.

It is not a de Polignac number, because 2772148225 - 27 = 2772148097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51765 + ... + 90685.

It is an arithmetic number, because the mean of its divisors is an integer number (91700232).

Almost surely, 22772148225 is an apocalyptic number.

2772148225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2772148225 is a deficient number, since it is larger than the sum of its proper divisors (1629462911).

2772148225 is a wasteful number, since it uses less digits than its factorization.

2772148225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38986 (or 38981 counting only the distinct ones).

The product of its digits is 125440, while the sum is 40.

The square root of 2772148225 is about 52651.1939560728. The cubic root of 2772148225 is about 1404.7708368533.

The spelling of 2772148225 in words is "two billion, seven hundred seventy-two million, one hundred forty-eight thousand, two hundred twenty-five".

Divisors: 1 5 7 11 25 35 37 55 77 175 185 259 275 385 407 925 1295 1925 2035 2849 6475 10175 14245 38921 71225 194605 272447 428131 973025 1362235 1440077 2140655 2996917 6811175 7200385 10080539 10703275 14984585 15840847 36001925 50402695 74922925 79204235 110885929 252013475 396021175 554429645 2772148225