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10522265 = 513161881
BaseRepresentation
bin101000001000…
…111010011001
3201210120211112
4220020322121
510143203030
61013310105
7155303105
oct50107231
921716745
1010522265
115a37596
123635335
1322454c0
14157c905
15dcca95
hexa08e99

10522265 has 8 divisors (see below), whose sum is σ = 13598088. Its totient is φ = 7770240.

The previous prime is 10522243. The next prime is 10522277. The reversal of 10522265 is 56222501.

It can be written as a sum of positive squares in 4 ways, for example, as 719104 + 9803161 = 848^2 + 3131^2 .

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

It is not a de Polignac number, because 10522265 - 210 = 10521241 is a prime.

It is a super-2 number, since 2×105222652 = 221436121460450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 10522265.

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, 80876 + ... + 81005.

It is an arithmetic number, because the mean of its divisors is an integer number (1699761).

Almost surely, 210522265 is an apocalyptic number.

It is an amenable number.

10522265 is a deficient number, since it is larger than the sum of its proper divisors (3075823).

10522265 is a wasteful number, since it uses less digits than its factorization.

10522265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161899.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 10522265 is about 3243.8040939613. The cubic root of 10522265 is about 219.1306254899.

Adding to 10522265 its reverse (56222501), we get a palindrome (66744766).

The spelling of 10522265 in words is "ten million, five hundred twenty-two thousand, two hundred sixty-five".

Divisors: 1 5 13 65 161881 809405 2104453 10522265