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52816 = 243301
BaseRepresentation
bin1100111001010000
32200110011
430321100
53142231
61044304
7306661
oct147120
980404
1052816
1136755
1226694
131b06a
1415368
15109b1
hexce50

52816 has 10 divisors (see below), whose sum is σ = 102362. Its totient is φ = 26400.

The previous prime is 52813. The next prime is 52817. The reversal of 52816 is 61825.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 38416 + 14400 = 196^2 + 120^2 .

It is an Ulam number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1635 + ... + 1666.

252816 is an apocalyptic number.

It is an amenable number.

52816 is a deficient number, since it is larger than the sum of its proper divisors (49546).

52816 is a wasteful number, since it uses less digits than its factorization.

52816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309 (or 3303 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 52816 is about 229.8173187556. The cubic root of 52816 is about 37.5193381740.

Subtracting 52816 from its reverse (61825), we obtain a palindrome (9009).

It can be divided in two parts, 528 and 16, that multiplied together give a palindrome (8448).

The spelling of 52816 in words is "fifty-two thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 3301 6602 13204 26408 52816