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9090897 = 35951361
BaseRepresentation
bin100010101011…
…011101010001
3122002212100220
4202223131101
54311402042
6522503253
7140162034
oct42533521
918085326
109090897
11514a142
123064b29
131b63b3a
1412c901b
15be88ec
hex8ab751

9090897 has 8 divisors (see below), whose sum is σ = 12326880. Its totient is φ = 5957760.

The previous prime is 9090871. The next prime is 9090901. The reversal of 9090897 is 7980909.

It is a happy number.

9090897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9090897 - 212 = 9086801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9090847) 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, 25504 + ... + 25857.

It is an arithmetic number, because the mean of its divisors is an integer number (1540860).

Almost surely, 29090897 is an apocalyptic number.

It is an amenable number.

9090897 is a deficient number, since it is larger than the sum of its proper divisors (3235983).

9090897 is a wasteful number, since it uses less digits than its factorization.

9090897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51423.

The product of its (nonzero) digits is 40824, while the sum is 42.

The square root of 9090897 is about 3015.1114407265. Note that the first 3 decimals coincide. The cubic root of 9090897 is about 208.7063097158.

The spelling of 9090897 in words is "nine million, ninety thousand, eight hundred ninety-seven".

Divisors: 1 3 59 177 51361 154083 3030299 9090897