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10321897 = 101102197
BaseRepresentation
bin100111010111…
…111111101001
3201102101222111
4213113333221
510120300042
61005122321
7153506665
oct47277751
921371874
1010321897
11590aaa3
1235593a1
1321a5241
1415298a5
15d8d517
hex9d7fe9

10321897 has 4 divisors (see below), whose sum is σ = 10424196. Its totient is φ = 10219600.

The previous prime is 10321889. The next prime is 10321901. The reversal of 10321897 is 79812301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9217296 + 1104601 = 3036^2 + 1051^2 .

It is a cyclic number.

It is not a de Polignac number, because 10321897 - 23 = 10321889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10321847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50998 + ... + 51199.

It is an arithmetic number, because the mean of its divisors is an integer number (2606049).

Almost surely, 210321897 is an apocalyptic number.

It is an amenable number.

10321897 is a deficient number, since it is larger than the sum of its proper divisors (102299).

10321897 is a wasteful number, since it uses less digits than its factorization.

10321897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102298.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 10321897 is about 3212.7709224282. The cubic root of 10321897 is about 217.7307859894.

The spelling of 10321897 in words is "ten million, three hundred twenty-one thousand, eight hundred ninety-seven".

Divisors: 1 101 102197 10321897