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52807299 = 317602433
BaseRepresentation
bin1100100101110…
…0011010000011
310200100212222220
43021130122003
5102004313144
65123502123
71210566066
oct311343203
9120325886
1052807299
11278989a6
1215827943
13ac2c12c
1470288dd
154981919
hex325c683

52807299 has 4 divisors (see below), whose sum is σ = 70409736. Its totient is φ = 35204864.

The previous prime is 52807283. The next prime is 52807319. The reversal of 52807299 is 99270825.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52807299 - 24 = 52807283 is a prime.

It is a super-2 number, since 2×528072992 = 5577221655350802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52807299.

It is not an unprimeable number, because it can be changed into a prime (52807259) 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, 8801214 + ... + 8801219.

It is an arithmetic number, because the mean of its divisors is an integer number (17602434).

Almost surely, 252807299 is an apocalyptic number.

52807299 is a deficient number, since it is larger than the sum of its proper divisors (17602437).

52807299 is a wasteful number, since it uses less digits than its factorization.

52807299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17602436.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 52807299 is about 7266.8630783853. The cubic root of 52807299 is about 375.1727772714.

The spelling of 52807299 in words is "fifty-two million, eight hundred seven thousand, two hundred ninety-nine".

Divisors: 1 3 17602433 52807299