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10397971 = 19875233
BaseRepresentation
bin100111101010…
…100100010011
3201120021100001
4213222210103
510130213341
61010510431
7154244533
oct47524423
921507301
1010397971
115962171
123595417
132200a5c
1415494c3
15da5d31
hex9ea913

10397971 has 4 divisors (see below), whose sum is σ = 10405192. Its totient is φ = 10390752.

The previous prime is 10397957. The next prime is 10397977. The reversal of 10397971 is 17979301.

10397971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, 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 10397971 - 211 = 10395923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10397971.

It is not an unprimeable number, because it can be changed into a prime (10397977) 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, 630 + ... + 4603.

It is an arithmetic number, because the mean of its divisors is an integer number (2601298).

Almost surely, 210397971 is an apocalyptic number.

10397971 is a deficient number, since it is larger than the sum of its proper divisors (7221).

10397971 is an equidigital number, since it uses as much as digits as its factorization.

10397971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7220.

The product of its (nonzero) digits is 11907, while the sum is 37.

The square root of 10397971 is about 3224.5885008788. The cubic root of 10397971 is about 218.2643805854.

The spelling of 10397971 in words is "ten million, three hundred ninety-seven thousand, nine hundred seventy-one".

Divisors: 1 1987 5233 10397971