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10522287 = 325572099
BaseRepresentation
bin101000001000…
…111010101111
3201210120212100
4220020322233
510143203122
61013310143
7155303136
oct50107257
921716770
1010522287
115a37606
123635353
132245509
14157c91d
15dccaac
hexa08eaf

10522287 has 12 divisors (see below), whose sum is σ = 15233400. Its totient is φ = 6998928.

The previous prime is 10522277. The next prime is 10522289. The reversal of 10522287 is 78222501.

10522287 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10522287 - 210 = 10521263 is a prime.

It is a super-2 number, since 2×105222872 = 221437047420738, 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 10522287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10522289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3964 + ... + 6062.

It is an arithmetic number, because the mean of its divisors is an integer number (1269450).

Almost surely, 210522287 is an apocalyptic number.

10522287 is a deficient number, since it is larger than the sum of its proper divisors (4711113).

10522287 is a wasteful number, since it uses less digits than its factorization.

10522287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662 (or 2659 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 10522287 is about 3243.8074850398. The cubic root of 10522287 is about 219.1307782096.

Adding to 10522287 its reverse (78222501), we get a palindrome (88744788).

The spelling of 10522287 in words is "ten million, five hundred twenty-two thousand, two hundred eighty-seven".

Divisors: 1 3 9 557 1671 2099 5013 6297 18891 1169143 3507429 10522287