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16090897 = 29535449
BaseRepresentation
bin111101011000…
…011100010001
31010021111120011
4331120130101
513104402042
61332514521
7253525144
oct75303421
933244504
1016090897
1190a0369
12547ba41
133445054
1421cc05b
15162ca17
hexf58711

16090897 has 4 divisors (see below), whose sum is σ = 16099300. Its totient is φ = 16082496.

The previous prime is 16090889. The next prime is 16090931. The reversal of 16090897 is 79809061.

16090897 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 can be written as a sum of positive squares in 2 ways, for example, as 7096896 + 8994001 = 2664^2 + 2999^2 .

It is a cyclic number.

It is not a de Polignac number, because 16090897 - 23 = 16090889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16090097) 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, 229 + ... + 5677.

It is an arithmetic number, because the mean of its divisors is an integer number (4024825).

Almost surely, 216090897 is an apocalyptic number.

It is an amenable number.

16090897 is a deficient number, since it is larger than the sum of its proper divisors (8403).

16090897 is an equidigital number, since it uses as much as digits as its factorization.

16090897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8402.

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

The square root of 16090897 is about 4011.3460334406. The cubic root of 16090897 is about 252.4604885403.

The spelling of 16090897 in words is "sixteen million, ninety thousand, eight hundred ninety-seven".

Divisors: 1 2953 5449 16090897