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10320197 = 14836959
BaseRepresentation
bin100111010111…
…100101000101
3201102022122112
4213113211011
510120221242
61005110405
7153502016
oct47274505
921368575
1010320197
115909798
123558405
1321a4534
14152900d
15d8cc82
hex9d7945

10320197 has 4 divisors (see below), whose sum is σ = 10328640. Its totient is φ = 10311756.

The previous prime is 10320157. The next prime is 10320199. The reversal of 10320197 is 79102301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10320197 - 210 = 10319173 is a prime.

It is a super-2 number, since 2×103201972 = 213012932237618, 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 (10320199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1997 + ... + 4962.

It is an arithmetic number, because the mean of its divisors is an integer number (2582160).

Almost surely, 210320197 is an apocalyptic number.

It is an amenable number.

10320197 is a deficient number, since it is larger than the sum of its proper divisors (8443).

10320197 is an equidigital number, since it uses as much as digits as its factorization.

10320197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8442.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 10320197 is about 3212.5063424062. The cubic root of 10320197 is about 217.7188320286.

Adding to 10320197 its reverse (79102301), we get a palindrome (89422498).

The spelling of 10320197 in words is "ten million, three hundred twenty thousand, one hundred ninety-seven".

Divisors: 1 1483 6959 10320197