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52918297 = 178633607
BaseRepresentation
bin1100100111011…
…1100000011001
310200120112020221
43021313200121
5102021341142
65130120041
71211540515
oct311674031
9120515227
1052918297
1127964333
1215880021
13ac6a803
147057145
1549a4767
hex3277819

52918297 has 8 divisors (see below), whose sum is σ = 56111616. Its totient is φ = 49733952.

The previous prime is 52918291. The next prime is 52918319. The reversal of 52918297 is 79281925.

52918297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52918297 - 27 = 52918169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52918291) 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 7 ways as a sum of consecutive naturals, for example, 12868 + ... + 16474.

It is an arithmetic number, because the mean of its divisors is an integer number (7013952).

Almost surely, 252918297 is an apocalyptic number.

It is an amenable number.

52918297 is a deficient number, since it is larger than the sum of its proper divisors (3193319).

52918297 is a wasteful number, since it uses less digits than its factorization.

52918297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487.

The product of its digits is 90720, while the sum is 43.

The square root of 52918297 is about 7274.4963399537. The cubic root of 52918297 is about 375.4354574018.

The spelling of 52918297 in words is "fifty-two million, nine hundred eighteen thousand, two hundred ninety-seven".

Divisors: 1 17 863 3607 14671 61319 3112841 52918297