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10857197 = 131018269
BaseRepresentation
bin101001011010…
…101011101101
3202102121021102
4221122223231
510234412242
61024412445
7161166431
oct51325355
922377242
1010857197
11614619a
123777125
132331aa0
1416289c1
15e46e32
hexa5aaed

10857197 has 8 divisors (see below), whose sum is σ = 11809560. Its totient is φ = 9921600.

The previous prime is 10857193. The next prime is 10857229. The reversal of 10857197 is 79175801.

It can be written as a sum of positive squares in 4 ways, for example, as 4932841 + 5924356 = 2221^2 + 2434^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10857197 - 22 = 10857193 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 10857197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10857191) 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, 2822 + ... + 5447.

It is an arithmetic number, because the mean of its divisors is an integer number (1476195).

Almost surely, 210857197 is an apocalyptic number.

It is an amenable number.

10857197 is a deficient number, since it is larger than the sum of its proper divisors (952363).

10857197 is a wasteful number, since it uses less digits than its factorization.

10857197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8383.

The product of its (nonzero) digits is 17640, while the sum is 38.

The square root of 10857197 is about 3295.0261000484. The cubic root of 10857197 is about 221.4314170587.

The spelling of 10857197 in words is "ten million, eight hundred fifty-seven thousand, one hundred ninety-seven".

Divisors: 1 13 101 1313 8269 107497 835169 10857197