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511122425 = 521117109331
BaseRepresentation
bin11110011101110…
…001101111111001
31022121202201011012
4132131301233321
52021321404200
6122415043305
715444316562
oct3635615771
91277681135
10511122425
11242573930
12123210535
1381b7a808
144bc4d169
152ed13a35
hex1e771bf9

511122425 has 24 divisors (see below), whose sum is σ = 732087072. Its totient is φ = 349856000.

The previous prime is 511122413. The next prime is 511122433. The reversal of 511122425 is 524221115.

511122425 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 511122425 - 218 = 510860281 is a prime.

It is a super-2 number, since 2×5111224252 = 522492266675761250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 511122425.

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, 49991 + ... + 59340.

It is an arithmetic number, because the mean of its divisors is an integer number (30503628).

Almost surely, 2511122425 is an apocalyptic number.

511122425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

511122425 is a deficient number, since it is larger than the sum of its proper divisors (220964647).

511122425 is a wasteful number, since it uses less digits than its factorization.

511122425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109369 (or 109364 counting only the distinct ones).

The product of its digits is 800, while the sum is 23.

The square root of 511122425 is about 22608.0168303193. The cubic root of 511122425 is about 799.5426682970.

The spelling of 511122425 in words is "five hundred eleven million, one hundred twenty-two thousand, four hundred twenty-five".

Divisors: 1 5 11 17 25 55 85 187 275 425 935 4675 109331 546655 1202641 1858627 2733275 6013205 9293135 20444897 30066025 46465675 102224485 511122425