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810514322 = 24124912
BaseRepresentation
bin110000010011110…
…111011110010010
32002111010101121222
4300103313132102
53124442424242
6212232045042
726041154342
oct6023673622
92074111558
10810514322
11386572452
121a7533782
13cbbc4897
1479904d22
154b2525d2
hex304f7792

810514322 has 18 divisors (see below), whose sum is σ = 1248690837. Its totient is φ = 394567600.

The previous prime is 810514297. The next prime is 810514379. The reversal of 810514322 is 223415018.

It can be written as a sum of positive squares in 2 ways, for example, as 578835481 + 231678841 = 24059^2 + 15221^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=20131.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 810514291 and 810514300.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1650497 + ... + 1650987.

Almost surely, 2810514322 is an apocalyptic number.

810514322 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

810514322 is a deficient number, since it is larger than the sum of its proper divisors (438176515).

810514322 is an frugal number, since it uses more digits than its factorization.

810514322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 810514322 is about 28469.5332241328. The cubic root of 810514322 is about 932.3670085647.

The spelling of 810514322 in words is "eight hundred ten million, five hundred fourteen thousand, three hundred twenty-two".

Divisors: 1 2 41 82 491 982 1681 3362 20131 40262 241081 482162 825371 1650742 9884321 19768642 405257161 810514322