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10522385 = 52391499
BaseRepresentation
bin101000001000…
…111100010001
3201210120222222
4220020330101
510143204020
61013310425
7155303336
oct50107421
921716888
1010522385
115a37695
123635415
132245583
14157c98d
15dccb25
hexa08f11

10522385 has 8 divisors (see below), whose sum is σ = 13176000. Its totient is φ = 8051824.

The previous prime is 10522373. The next prime is 10522387. The reversal of 10522385 is 58322501.

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 10522385 - 210 = 10521361 is a prime.

It is a super-2 number, since 2×105223852 = 221441172176450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10522387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45635 + ... + 45864.

It is an arithmetic number, because the mean of its divisors is an integer number (1647000).

Almost surely, 210522385 is an apocalyptic number.

It is an amenable number.

10522385 is a deficient number, since it is larger than the sum of its proper divisors (2653615).

10522385 is an equidigital number, since it uses as much as digits as its factorization.

10522385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91527.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 10522385 is about 3243.8225907099. The cubic root of 10522385 is about 219.1314585037.

Adding to 10522385 its reverse (58322501), we get a palindrome (68844886).

The spelling of 10522385 in words is "ten million, five hundred twenty-two thousand, three hundred eighty-five".

Divisors: 1 5 23 115 91499 457495 2104477 10522385