Search a number
-
+
52727257 = 1137353367
BaseRepresentation
bin1100100100100…
…0110111011001
310200012211012101
43021020313121
5101444233012
65122043401
71210113532
oct311106731
9120184171
1052727257
1127843850
12157a9561
13ac0187b
147007689
154967d57
hex3248dd9

52727257 has 16 divisors (see below), whose sum is σ = 59404032. Its totient is φ = 46379520.

The previous prime is 52727221. The next prime is 52727263. The reversal of 52727257 is 75272725.

52727257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-52727257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52727957) 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, 143488 + ... + 143854.

It is an arithmetic number, because the mean of its divisors is an integer number (3712752).

Almost surely, 252727257 is an apocalyptic number.

It is an amenable number.

52727257 is a deficient number, since it is larger than the sum of its proper divisors (6676775).

52727257 is a wasteful number, since it uses less digits than its factorization.

52727257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768.

The product of its digits is 68600, while the sum is 37.

The square root of 52727257 is about 7261.3536616804. The cubic root of 52727257 is about 374.9831269445.

The spelling of 52727257 in words is "fifty-two million, seven hundred twenty-seven thousand, two hundred fifty-seven".

Divisors: 1 11 37 353 367 407 3883 4037 13061 13579 129551 143671 149369 1425061 4793387 52727257