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16124897 = 73220889
BaseRepresentation
bin111101100000…
…101111100001
31010100020012102
4331200233201
513111444042
61333340145
7254026235
oct75405741
933306172
1016124897
119113968
125497655
133457679
1421da5c5
151637b32
hexf60be1

16124897 has 4 divisors (see below), whose sum is σ = 16345860. Its totient is φ = 15903936.

The previous prime is 16124893. The next prime is 16124903. The reversal of 16124897 is 79842161.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3671056 + 12453841 = 1916^2 + 3529^2 .

It is a cyclic number.

It is not a de Polignac number, because 16124897 - 22 = 16124893 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 16124897.

It is not an unprimeable number, because it can be changed into a prime (16124893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110372 + ... + 110517.

It is an arithmetic number, because the mean of its divisors is an integer number (4086465).

Almost surely, 216124897 is an apocalyptic number.

It is an amenable number.

16124897 is a deficient number, since it is larger than the sum of its proper divisors (220963).

16124897 is an equidigital number, since it uses as much as digits as its factorization.

16124897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220962.

The product of its digits is 24192, while the sum is 38.

The square root of 16124897 is about 4015.5817760320. The cubic root of 16124897 is about 252.6381794412.

The spelling of 16124897 in words is "sixteen million, one hundred twenty-four thousand, eight hundred ninety-seven".

Divisors: 1 73 220889 16124897