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52911077 = 77368449
BaseRepresentation
bin1100100111010…
…1101111100101
310200120011100112
43021311233211
5102021123302
65130022405
71211510462
oct311655745
9120504315
1052911077
112795996a
1215877a05
13ac6743b
147054669
1549a2552
hex3275be5

52911077 has 4 divisors (see below), whose sum is σ = 52980300. Its totient is φ = 52841856.

The previous prime is 52911071. The next prime is 52911091. The reversal of 52911077 is 77011925.

It is a Cunningham number, because it is equal to 72742+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3363556 + 49547521 = 1834^2 + 7039^2 .

It is a cyclic number.

It is not a de Polignac number, because 52911077 - 212 = 52906981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52911071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33452 + ... + 34997.

It is an arithmetic number, because the mean of its divisors is an integer number (13245075).

Almost surely, 252911077 is an apocalyptic number.

It is an amenable number.

52911077 is a deficient number, since it is larger than the sum of its proper divisors (69223).

52911077 is an equidigital number, since it uses as much as digits as its factorization.

52911077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69222.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 52911077 is about 7274.0000687380. Note that the first 4 decimals coincide. The cubic root of 52911077 is about 375.4183822284.

The spelling of 52911077 in words is "fifty-two million, nine hundred eleven thousand, seventy-seven".

Divisors: 1 773 68449 52911077