Search a number
-
+
53017870 = 255301787
BaseRepresentation
bin1100101000111…
…1110100001110
310200202120211211
43022033310032
5102033032440
65132205034
71212434023
oct312176416
9120676754
1053017870
1127a22124
121590977a
13aca3c29
14708154a
1549c3eea
hex328fd0e

53017870 has 8 divisors (see below), whose sum is σ = 95432184. Its totient is φ = 21207144.

The previous prime is 53017841. The next prime is 53017871. The reversal of 53017870 is 7871035.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53017871) 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, 2650884 + ... + 2650903.

It is an arithmetic number, because the mean of its divisors is an integer number (11929023).

Almost surely, 253017870 is an apocalyptic number.

53017870 is a deficient number, since it is larger than the sum of its proper divisors (42414314).

53017870 is a wasteful number, since it uses less digits than its factorization.

53017870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5301794.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 53017870 is about 7281.3371024833. The cubic root of 53017870 is about 375.6707875502.

The spelling of 53017870 in words is "fifty-three million, seventeen thousand, eight hundred seventy".

Divisors: 1 2 5 10 5301787 10603574 26508935 53017870