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52286501 = 132139581
BaseRepresentation
bin1100011101110…
…1010000100101
310122101102121002
43013131100211
5101341132001
65104403045
71203266531
oct307352045
9118342532
1052286501
1127572693
1215616485
13aaa9077
146d30bc1
1548cc46b
hex31dd425

52286501 has 4 divisors (see below), whose sum is σ = 52327404. Its totient is φ = 52245600.

The previous prime is 52286497. The next prime is 52286503. The reversal of 52286501 is 10568225.

52286501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42837025 + 9449476 = 6545^2 + 3074^2 .

It is a cyclic number.

It is not a de Polignac number, because 52286501 - 22 = 52286497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52286503) 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 3 ways as a sum of consecutive naturals, for example, 18470 + ... + 21111.

It is an arithmetic number, because the mean of its divisors is an integer number (13081851).

Almost surely, 252286501 is an apocalyptic number.

It is an amenable number.

52286501 is a deficient number, since it is larger than the sum of its proper divisors (40903).

52286501 is a wasteful number, since it uses less digits than its factorization.

52286501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40902.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 52286501 is about 7230.9405335682. The cubic root of 52286501 is about 373.9353530059.

The spelling of 52286501 in words is "fifty-two million, two hundred eighty-six thousand, five hundred one".

Divisors: 1 1321 39581 52286501