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10530397 = 47449499
BaseRepresentation
bin101000001010…
…111001011101
3201210222222201
4220022321131
510143433042
61013411501
7155335603
oct50127135
921728881
1010530397
115a42709
123639b91
132249107
141581873
15dd01b7
hexa0ae5d

10530397 has 8 divisors (see below), whose sum is σ = 10800000. Its totient is φ = 10262784.

The previous prime is 10530367. The next prime is 10530419. The reversal of 10530397 is 79303501.

10530397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10530397 - 27 = 10530269 is a prime.

It is a super-2 number, since 2×105303972 = 221778521955218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10530307) 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, 20854 + ... + 21352.

It is an arithmetic number, because the mean of its divisors is an integer number (1350000).

Almost surely, 210530397 is an apocalyptic number.

It is an amenable number.

10530397 is a deficient number, since it is larger than the sum of its proper divisors (269603).

10530397 is an equidigital number, since it uses as much as digits as its factorization.

10530397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995.

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 10530397 is about 3245.0573184460. The cubic root of 10530397 is about 219.1870617352.

Adding to 10530397 its reverse (79303501), we get a palindrome (89833898).

The spelling of 10530397 in words is "ten million, five hundred thirty thousand, three hundred ninety-seven".

Divisors: 1 47 449 499 21103 23453 224051 10530397