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9160897 = 29315893
BaseRepresentation
bin100010111100…
…100011000001
3122020102101111
4202330203001
54321122042
6524203321
7140603104
oct42744301
918212344
109160897
115197799
123099541
131b89965
14130673b
15c0e517
hex8bc8c1

9160897 has 4 divisors (see below), whose sum is σ = 9476820. Its totient is φ = 8844976.

The previous prime is 9160889. The next prime is 9160913. The reversal of 9160897 is 7980619.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7980619 = 47916661.

It can be written as a sum of positive squares in 2 ways, for example, as 7817616 + 1343281 = 2796^2 + 1159^2 .

It is a cyclic number.

It is not a de Polignac number, because 9160897 - 23 = 9160889 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

9160897 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9160847) 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, 157918 + ... + 157975.

It is an arithmetic number, because the mean of its divisors is an integer number (2369205).

Almost surely, 29160897 is an apocalyptic number.

It is an amenable number.

9160897 is a deficient number, since it is larger than the sum of its proper divisors (315923).

9160897 is a wasteful number, since it uses less digits than its factorization.

9160897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315922.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 9160897 is about 3026.6973750278. The cubic root of 9160897 is about 209.2406208936.

The spelling of 9160897 in words is "nine million, one hundred sixty thousand, eight hundred ninety-seven".

Divisors: 1 29 315893 9160897