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53070887 = 127417881
BaseRepresentation
bin1100101001110…
…0110000100111
310200212021120102
43022130300213
5102041232022
65133254315
71213044422
oct312346047
9120767512
1053070887
1127a58a41
121593439b
13acc20bc
1470969b9
1549d4a92
hex329cc27

53070887 has 4 divisors (see below), whose sum is σ = 53488896. Its totient is φ = 52652880.

The previous prime is 53070877. The next prime is 53070893. The reversal of 53070887 is 78807035.

53070887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78807035 = 515761407.

It is a cyclic number.

It is not a de Polignac number, because 53070887 - 214 = 53054503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53070887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53070817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208814 + ... + 209067.

It is an arithmetic number, because the mean of its divisors is an integer number (13372224).

Almost surely, 253070887 is an apocalyptic number.

53070887 is a deficient number, since it is larger than the sum of its proper divisors (418009).

53070887 is a wasteful number, since it uses less digits than its factorization.

53070887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418008.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 53070887 is about 7284.9768016103. The cubic root of 53070887 is about 375.7959673745.

It can be divided in two parts, 530 and 70887, that added together give a palindrome (71417).

The spelling of 53070887 in words is "fifty-three million, seventy thousand, eight hundred eighty-seven".

Divisors: 1 127 417881 53070887