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10272397 = 97137773
BaseRepresentation
bin100111001011…
…111010001101
3201022220002011
4213023322031
510112204042
61004101221
7153212452
oct47137215
921286064
1010272397
115886893
123534811
132188855
141515829
15d7da17
hex9cbe8d

10272397 has 8 divisors (see below), whose sum is σ = 10467576. Its totient is φ = 10079232.

The previous prime is 10272391. The next prime is 10272413. The reversal of 10272397 is 79327201.

It can be written as a sum of positive squares in 4 ways, for example, as 217156 + 10055241 = 466^2 + 3171^2 .

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 10272397 - 23 = 10272389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10272391) 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, 12903 + ... + 13675.

It is an arithmetic number, because the mean of its divisors is an integer number (1308447).

Almost surely, 210272397 is an apocalyptic number.

It is an amenable number.

10272397 is a deficient number, since it is larger than the sum of its proper divisors (195179).

10272397 is an equidigital number, since it uses as much as digits as its factorization.

10272397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 10272397 is about 3205.0580337960. The cubic root of 10272397 is about 217.3821760219.

Adding to 10272397 its reverse (79327201), we get a palindrome (89599598).

The spelling of 10272397 in words is "ten million, two hundred seventy-two thousand, three hundred ninety-seven".

Divisors: 1 97 137 773 13289 74981 105901 10272397