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BaseRepresentation
bin10011110111001011101101
3100210112100011
4103313023231
52313104030
6303333221
762154034
oct23671355
910715304
105206765
112a36a13
1218b1211
131103c35
1499771b
156ccb2a
hex4f72ed

5206765 has 8 divisors (see below), whose sum is σ = 6266520. Its totient is φ = 4153152.

The previous prime is 5206739. The next prime is 5206783. The reversal of 5206765 is 5676025.

5206765 = 16132 + 16142.

It can be written as a sum of positive squares in 4 ways, for example, as 103684 + 5103081 = 322^2 + 2259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5206765 - 213 = 5198573 is a prime.

It is a super-2 number, since 2×52067652 = 54220803530450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607 + ... + 3283.

It is an arithmetic number, because the mean of its divisors is an integer number (783315).

Almost surely, 25206765 is an apocalyptic number.

5206765 is the 1614-th centered square number.

It is an amenable number.

5206765 is a deficient number, since it is larger than the sum of its proper divisors (1059755).

5206765 is a wasteful number, since it uses less digits than its factorization.

5206765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3071.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 5206765 is about 2281.8336924500. The cubic root of 5206765 is about 173.3229180954.

The spelling of 5206765 in words is "five million, two hundred six thousand, seven hundred sixty-five".

Divisors: 1 5 389 1945 2677 13385 1041353 5206765