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529368065 = 537612769
BaseRepresentation
bin11111100011011…
…000010000000001
31100220002200110122
4133203120100001
52041004234230
6124310110025
716055361062
oct3743302001
91326080418
10529368065
112518a6076
1212934b315
1385898555
145043c569
1531719be5
hex1f8d8401

529368065 has 24 divisors (see below), whose sum is σ = 664143480. Its totient is φ = 404766720.

The previous prime is 529368061. The next prime is 529368067. The reversal of 529368065 is 560863925.

It is a happy number.

It is a Cunningham number, because it is equal to 230082+1.

It can be written as a sum of positive squares in 12 ways, for example, as 322238401 + 207129664 = 17951^2 + 14392^2 .

It is not a de Polignac number, because 529368065 - 22 = 529368061 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (529368061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 688001 + ... + 688769.

It is an arithmetic number, because the mean of its divisors is an integer number (27672645).

Almost surely, 2529368065 is an apocalyptic number.

It is an amenable number.

529368065 is a deficient number, since it is larger than the sum of its proper divisors (134775415).

529368065 is an equidigital number, since it uses as much as digits as its factorization.

529368065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 529368065 is about 23008.0000217316. Note that the first 4 decimals coincide. The cubic root of 529368065 is about 808.9454676213.

The spelling of 529368065 in words is "five hundred twenty-nine million, three hundred sixty-eight thousand, sixty-five".

Divisors: 1 5 37 61 185 305 769 2257 3721 3845 11285 18605 28453 46909 137677 142265 234545 688385 1735633 2861449 8678165 14307245 105873613 529368065