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53028183 = 3131971563
BaseRepresentation
bin1100101001001…
…0010101010111
310200210002222210
43022102111113
5102033400213
65132324503
71212506055
oct312222527
9120702883
1053028183
1127a2994a
1215913733
13aca8830
1470851d5
1549c70c3
hex3292557

53028183 has 16 divisors (see below), whose sum is σ = 80151680. Its totient is φ = 30914784.

The previous prime is 53028181. The next prime is 53028223. The reversal of 53028183 is 38182035.

It is a happy number.

53028183 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53028183 - 21 = 53028181 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 53028183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53028181) 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 15 ways as a sum of consecutive naturals, for example, 35041 + ... + 36522.

It is an arithmetic number, because the mean of its divisors is an integer number (5009480).

Almost surely, 253028183 is an apocalyptic number.

53028183 is a deficient number, since it is larger than the sum of its proper divisors (27123497).

53028183 is a wasteful number, since it uses less digits than its factorization.

53028183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71598.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 53028183 is about 7282.0452484175. The cubic root of 53028183 is about 375.6951443797.

The spelling of 53028183 in words is "fifty-three million, twenty-eight thousand, one hundred eighty-three".

Divisors: 1 3 13 19 39 57 247 741 71563 214689 930319 1359697 2790957 4079091 17676061 53028183