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10297231 = 71471033
BaseRepresentation
bin100111010001…
…111110001111
3201101011010221
4213101332033
510114002411
61004412211
7153345040
oct47217617
921334127
1010297231
1158a350a
123547067
132196c49
1415208c7
15d86071
hex9d1f8f

10297231 has 4 divisors (see below), whose sum is σ = 11768272. Its totient is φ = 8826192.

The previous prime is 10297213. The next prime is 10297247. The reversal of 10297231 is 13279201.

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

It is a cyclic number.

It is not a de Polignac number, because 10297231 - 27 = 10297103 is a prime.

It is a super-2 number, since 2×102972312 = 212065932534722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10297196 and 10297205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10297531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 735510 + ... + 735523.

It is an arithmetic number, because the mean of its divisors is an integer number (2942068).

Almost surely, 210297231 is an apocalyptic number.

10297231 is a deficient number, since it is larger than the sum of its proper divisors (1471041).

10297231 is an equidigital number, since it uses as much as digits as its factorization.

10297231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471040.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 10297231 is about 3208.9298839333. The cubic root of 10297231 is about 217.5572122360.

The spelling of 10297231 in words is "ten million, two hundred ninety-seven thousand, two hundred thirty-one".

Divisors: 1 7 1471033 10297231