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52530299 = 85361583
BaseRepresentation
bin1100100001100…
…0110001111011
310122211211000122
43020120301323
5101421432144
65113523455
71205333363
oct310306173
9118754018
1052530299
1127719878
121571358b
13ab63023
146d959a3
1549297ee
hex3218c7b

52530299 has 4 divisors (see below), whose sum is σ = 52592736. Its totient is φ = 52467864.

The previous prime is 52530263. The next prime is 52530311. The reversal of 52530299 is 99203525.

52530299 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52530299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52530209) 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, 29939 + ... + 31644.

It is an arithmetic number, because the mean of its divisors is an integer number (13148184).

Almost surely, 252530299 is an apocalyptic number.

52530299 is a deficient number, since it is larger than the sum of its proper divisors (62437).

52530299 is an equidigital number, since it uses as much as digits as its factorization.

52530299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62436.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 52530299 is about 7247.7789011531. The cubic root of 52530299 is about 374.5156389506.

The spelling of 52530299 in words is "fifty-two million, five hundred thirty thousand, two hundred ninety-nine".

Divisors: 1 853 61583 52530299