Search a number
-
+
52793645 = 510558729
BaseRepresentation
bin1100100101100…
…1000100101101
310200100012021012
43021121010231
5102003344040
65123315005
71210511222
oct311310455
9120305235
1052793645
1127889713
121581ba65
13ac25b58
147023949
15497c865
hex325912d

52793645 has 4 divisors (see below), whose sum is σ = 63352380. Its totient is φ = 42234912.

The previous prime is 52793641. The next prime is 52793669. The reversal of 52793645 is 54639725.

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 7823209 + 44970436 = 2797^2 + 6706^2 .

It is a cyclic number.

It is not a de Polignac number, because 52793645 - 22 = 52793641 is a prime.

It is a super-3 number, since 3×527936453 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52793641) 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, 5279360 + ... + 5279369.

It is an arithmetic number, because the mean of its divisors is an integer number (15838095).

Almost surely, 252793645 is an apocalyptic number.

It is an amenable number.

52793645 is a deficient number, since it is larger than the sum of its proper divisors (10558735).

52793645 is a wasteful number, since it uses less digits than its factorization.

52793645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10558734.

The product of its digits is 226800, while the sum is 41.

The square root of 52793645 is about 7265.9235476297. The cubic root of 52793645 is about 375.1404392501.

The spelling of 52793645 in words is "fifty-two million, seven hundred ninety-three thousand, six hundred forty-five".

Divisors: 1 5 10558729 52793645